diff --git a/OpenSim/Region/CoreModules/World/Land/LandManagementModule.cs b/OpenSim/Region/CoreModules/World/Land/LandManagementModule.cs
index 4deb36e6d1..097a62d101 100644
--- a/OpenSim/Region/CoreModules/World/Land/LandManagementModule.cs
+++ b/OpenSim/Region/CoreModules/World/Land/LandManagementModule.cs
@@ -317,8 +317,8 @@ namespace OpenSim.Region.CoreModules.World.Land
 
         public void SendLandUpdate(ScenePresence avatar, bool force)
         {
-            ILandObject over = GetLandObject((int)Math.Min(255, Math.Max(0, Math.Round(avatar.AbsolutePosition.X))),
-                                             (int)Math.Min(255, Math.Max(0, Math.Round(avatar.AbsolutePosition.Y))));
+            ILandObject over = GetLandObject((int)Math.Min(((int)Constants.RegionSize - 1), Math.Max(0, Math.Round(avatar.AbsolutePosition.X))),
+                                             (int)Math.Min(((int)Constants.RegionSize - 1), Math.Max(0, Math.Round(avatar.AbsolutePosition.Y))));
 
             if (over != null)
             {
@@ -849,10 +849,12 @@ namespace OpenSim.Region.CoreModules.World.Land
             byte[] byteArray = new byte[LAND_BLOCKS_PER_PACKET];
             int byteArrayCount = 0;
             int sequenceID = 0;
+            int blockmeters = 4 * (int) Constants.RegionSize/(int)Constants.TerrainPatchSize;
 
-            for (int y = 0; y < 64; y++)
+
+            for (int y = 0; y < blockmeters; y++)
             {
-                for (int x = 0; x < 64; x++)
+                for (int x = 0; x < blockmeters; x++)
                 {
                     byte tempByte = 0; //This represents the byte for the current 4x4
 
diff --git a/OpenSim/Region/CoreModules/World/Land/LandObject.cs b/OpenSim/Region/CoreModules/World/Land/LandObject.cs
index 715b48dd92..f41bdacc6d 100644
--- a/OpenSim/Region/CoreModules/World/Land/LandObject.cs
+++ b/OpenSim/Region/CoreModules/World/Land/LandObject.cs
@@ -305,8 +305,8 @@ namespace OpenSim.Region.CoreModules.World.Land
                 try
                 {
                     over =
-                        m_scene.LandChannel.GetLandObject(Util.Clamp<int>((int)Math.Round(avatars[i].AbsolutePosition.X), 0, 255),
-                                                          Util.Clamp<int>((int)Math.Round(avatars[i].AbsolutePosition.Y), 0, 255));
+                        m_scene.LandChannel.GetLandObject(Util.Clamp<int>((int)Math.Round(avatars[i].AbsolutePosition.X), 0, ((int)Constants.RegionSize - 1)),
+                                                          Util.Clamp<int>((int)Math.Round(avatars[i].AbsolutePosition.Y), 0, ((int)Constants.RegionSize - 1)));
                 }
                 catch (Exception)
                 {
@@ -455,21 +455,21 @@ namespace OpenSim.Region.CoreModules.World.Land
                 }
             }
             int tx = min_x * 4;
-            if (tx > 255)
-                tx = 255;
+            if (tx > ((int)Constants.RegionSize - 1))
+                tx = ((int)Constants.RegionSize - 1);
             int ty = min_y * 4;
-            if (ty > 255)
-                ty = 255;
+            if (ty > ((int)Constants.RegionSize - 1))
+                ty = ((int)Constants.RegionSize - 1);
             landData.AABBMin =
                 new Vector3((float) (min_x * 4), (float) (min_y * 4),
                               (float) m_scene.Heightmap[tx, ty]);
 
             tx = max_x * 4;
-            if (tx > 255)
-                tx = 255;
+            if (tx > ((int)Constants.RegionSize - 1))
+                tx = ((int)Constants.RegionSize - 1);
             ty = max_y * 4;
-            if (ty > 255)
-                ty = 255;
+            if (ty > ((int)Constants.RegionSize - 1))
+                ty = ((int)Constants.RegionSize - 1);
             landData.AABBMax =
                 new Vector3((float) (max_x * 4), (float) (max_y * 4),
                               (float) m_scene.Heightmap[tx, ty]);
diff --git a/OpenSim/Region/CoreModules/World/Permissions/PermissionsModule.cs b/OpenSim/Region/CoreModules/World/Permissions/PermissionsModule.cs
index a4793e646c..6db9cbfe80 100644
--- a/OpenSim/Region/CoreModules/World/Permissions/PermissionsModule.cs
+++ b/OpenSim/Region/CoreModules/World/Permissions/PermissionsModule.cs
@@ -1355,10 +1355,10 @@ namespace OpenSim.Region.CoreModules.World.Permissions
             float X = position.X;
             float Y = position.Y;
 
-            if (X > 255)
-                X = 255;
-            if (Y > 255)
-                Y = 255;
+            if (X > ((int)Constants.RegionSize - 1))
+                X = ((int)Constants.RegionSize - 1);
+            if (Y > ((int)Constants.RegionSize - 1))
+                Y = ((int)Constants.RegionSize - 1);
             if (X < 0)
                 X = 0;
             if (Y < 0)
diff --git a/OpenSim/Region/CoreModules/World/WorldMap/MapImageModule.cs b/OpenSim/Region/CoreModules/World/WorldMap/MapImageModule.cs
index d1d30459a4..5fd836943a 100644
--- a/OpenSim/Region/CoreModules/World/WorldMap/MapImageModule.cs
+++ b/OpenSim/Region/CoreModules/World/WorldMap/MapImageModule.cs
@@ -331,9 +331,9 @@ namespace OpenSim.Region.CoreModules.World.WorldMap
                                     int mapdrawendY = (int)(pos.Y + scale.Y);
 
                                     // If object is beyond the edge of the map, don't draw it to avoid errors
-                                    if (mapdrawstartX < 0 || mapdrawstartX > 255 || mapdrawendX < 0 || mapdrawendX > 255
-                                                          || mapdrawstartY < 0 || mapdrawstartY > 255 || mapdrawendY < 0
-                                                          || mapdrawendY > 255)
+                                    if (mapdrawstartX < 0 || mapdrawstartX > ((int)Constants.RegionSize - 1) || mapdrawendX < 0 || mapdrawendX > ((int)Constants.RegionSize - 1)
+                                                          || mapdrawstartY < 0 || mapdrawstartY > ((int)Constants.RegionSize - 1) || mapdrawendY < 0
+                                                          || mapdrawendY > ((int)Constants.RegionSize - 1))
                                         continue;
 
 #region obb face reconstruction part duex
@@ -537,7 +537,7 @@ namespace OpenSim.Region.CoreModules.World.WorldMap
            // float z = -point3d.z - topos.z;
 
             returnpt.X = (int)point3d.X;//(int)((topos.x - point3d.x) / z * d);
-            returnpt.Y = (int)(255 - point3d.Y);//(int)(255 - (((topos.y - point3d.y) / z * d)));
+            returnpt.Y = (int)(((int)Constants.RegionSize - 1) - point3d.Y);//(int)(255 - (((topos.y - point3d.y) / z * d)));
 
             return returnpt;
         }
diff --git a/OpenSim/Region/CoreModules/World/WorldMap/ShadedMapTileRenderer.cs b/OpenSim/Region/CoreModules/World/WorldMap/ShadedMapTileRenderer.cs
index f39cf68490..a297cf310b 100644
--- a/OpenSim/Region/CoreModules/World/WorldMap/ShadedMapTileRenderer.cs
+++ b/OpenSim/Region/CoreModules/World/WorldMap/ShadedMapTileRenderer.cs
@@ -107,7 +107,7 @@ namespace OpenSim.Region.CoreModules.World.WorldMap
                             // .
                             //
                             // Shade the terrain for shadows
-                            if (x < 255 && yr < 255)
+                            if (x < ((int)Constants.RegionSize - 1) && yr < ((int)Constants.RegionSize - 1))
                             {
                                 float hfvalue = (float)hm[x, y];
                                 float hfvaluecompare = 0f;
diff --git a/OpenSim/Region/CoreModules/World/WorldMap/TexturedMapTileRenderer.cs b/OpenSim/Region/CoreModules/World/WorldMap/TexturedMapTileRenderer.cs
index 97ee45156b..4ecad74316 100644
--- a/OpenSim/Region/CoreModules/World/WorldMap/TexturedMapTileRenderer.cs
+++ b/OpenSim/Region/CoreModules/World/WorldMap/TexturedMapTileRenderer.cs
@@ -266,7 +266,7 @@ namespace OpenSim.Region.CoreModules.World.WorldMap
         // the heigthfield might have some jumps in values. Rendered land is smooth, though,
         // as a slope is rendered at that place. So average 4 neighbour values to emulate that.
         private float getHeight(double[,] hm, int x, int y) {
-            if (x < 255 && y < 255)
+            if (x < ((int)Constants.RegionSize - 1) && y < ((int)Constants.RegionSize - 1))
                 return (float)(hm[x, y] * .444 + (hm[x + 1, y] + hm[x, y + 1]) * .222 + hm[x + 1, y +1] * .112);
             else
                 return (float)hm[x, y];
diff --git a/OpenSim/Region/Framework/Scenes/ScenePresence.cs b/OpenSim/Region/Framework/Scenes/ScenePresence.cs
index 50baa9b71a..4695df7a94 100644
--- a/OpenSim/Region/Framework/Scenes/ScenePresence.cs
+++ b/OpenSim/Region/Framework/Scenes/ScenePresence.cs
@@ -777,9 +777,9 @@ namespace OpenSim.Region.Framework.Scenes
             // related to the handling of attachments
             //m_scene.GetAvatarAppearance(m_controllingClient, out m_appearance);            
 
-            if (pos.X < 0 || pos.X > Constants.RegionSize || pos.Y < 0 || pos.Y > Constants.RegionSize || pos.Z < 0)
+            if (pos.X < 0 || pos.X >= (int)Constants.RegionSize || pos.Y < 0 || pos.Y >= (int)Constants.RegionSize || pos.Z < 0)
             {
-                Vector3 emergencyPos = new Vector3(128, 128, 128);
+                Vector3 emergencyPos = new Vector3(((int)Constants.RegionSize * 0.5f), ((int)Constants.RegionSize * 0.5f), 128);
 
                 m_log.WarnFormat(
                     "[SCENE PRESENCE]: MakeRootAgent() was given an illegal position of {0} for avatar {1}, {2}.  Substituting {3}",
@@ -2948,7 +2948,7 @@ namespace OpenSim.Region.Framework.Scenes
         public void Reset()
         {
             // Put the child agent back at the center
-            AbsolutePosition = new Vector3(128, 128, 70);
+            AbsolutePosition = new Vector3(((int)Constants.RegionSize * 0.5f), ((int)Constants.RegionSize * 0.5f), 70);
             ResetAnimations();
         }
 
diff --git a/OpenSim/Region/Framework/Scenes/Scripting/NullScriptHost.cs b/OpenSim/Region/Framework/Scenes/Scripting/NullScriptHost.cs
index abb514d3eb..af18a98335 100644
--- a/OpenSim/Region/Framework/Scenes/Scripting/NullScriptHost.cs
+++ b/OpenSim/Region/Framework/Scenes/Scripting/NullScriptHost.cs
@@ -29,6 +29,7 @@ using System;
 using OpenMetaverse;
 using log4net;
 using System.Reflection;
+using OpenSim.Framework;
 
 namespace OpenSim.Region.Framework.Scenes.Scripting
 {
@@ -36,7 +37,7 @@ namespace OpenSim.Region.Framework.Scenes.Scripting
     {
         private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
 
-        private Vector3 m_pos = new Vector3(128, 128, 30);
+        private Vector3 m_pos = new Vector3(((int)Constants.RegionSize * 0.5f), ((int)Constants.RegionSize * 0.5f), 30);
 
         public string Name
         {
diff --git a/OpenSim/Region/OptionalModules/Agent/InternetRelayClientView/Server/IRCClientView.cs b/OpenSim/Region/OptionalModules/Agent/InternetRelayClientView/Server/IRCClientView.cs
index 44bd716085..08fc61f510 100644
--- a/OpenSim/Region/OptionalModules/Agent/InternetRelayClientView/Server/IRCClientView.cs
+++ b/OpenSim/Region/OptionalModules/Agent/InternetRelayClientView/Server/IRCClientView.cs
@@ -513,7 +513,7 @@ namespace OpenSim.Region.OptionalModules.Agent.InternetRelayClientView.Server
 
         public Vector3 StartPos
         {
-            get { return new Vector3(128, 128, 50); }
+            get { return new Vector3(((int)Constants.RegionSize * 0.5f), ((int)Constants.RegionSize * 0.5f), 50); }
             set { }
         }
 
diff --git a/OpenSim/Region/OptionalModules/Avatar/Chat/IRCConnector.cs b/OpenSim/Region/OptionalModules/Avatar/Chat/IRCConnector.cs
index 2f1dbc1823..9273fb579a 100644
--- a/OpenSim/Region/OptionalModules/Avatar/Chat/IRCConnector.cs
+++ b/OpenSim/Region/OptionalModules/Avatar/Chat/IRCConnector.cs
@@ -50,8 +50,8 @@ namespace OpenSim.Region.OptionalModules.Avatar.Chat
         private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
 
         // Local constants
- 
-        private static readonly Vector3 CenterOfRegion = new Vector3(128, 128, 20);
+
+        private static readonly Vector3 CenterOfRegion = new Vector3(((int)Constants.RegionSize * 0.5f), ((int)Constants.RegionSize * 0.5f), 20);
         private static readonly char[]  CS_SPACE = { ' ' };
 
         private const  int  WD_INTERVAL = 1000;     // base watchdog interval
diff --git a/OpenSim/Region/OptionalModules/Avatar/Chat/RegionState.cs b/OpenSim/Region/OptionalModules/Avatar/Chat/RegionState.cs
index ba3f3e538a..203948e411 100644
--- a/OpenSim/Region/OptionalModules/Avatar/Chat/RegionState.cs
+++ b/OpenSim/Region/OptionalModules/Avatar/Chat/RegionState.cs
@@ -45,7 +45,7 @@ namespace OpenSim.Region.OptionalModules.Avatar.Chat
         private static readonly ILog m_log =
             LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
 
-        private static readonly OpenMetaverse.Vector3 CenterOfRegion = new OpenMetaverse.Vector3(128, 128, 20);
+        private static readonly OpenMetaverse.Vector3 CenterOfRegion = new OpenMetaverse.Vector3(((int)Constants.RegionSize * 0.5f), ((int)Constants.RegionSize * 0.5f), 20);
         private const  int DEBUG_CHANNEL = 2147483647;
 
         private static int _idk_         = 0;
diff --git a/OpenSim/Region/OptionalModules/Scripting/RegionReady/RegionReady.cs b/OpenSim/Region/OptionalModules/Scripting/RegionReady/RegionReady.cs
index d3f3e104b8..f2c6db1444 100644
--- a/OpenSim/Region/OptionalModules/Scripting/RegionReady/RegionReady.cs
+++ b/OpenSim/Region/OptionalModules/Scripting/RegionReady/RegionReady.cs
@@ -125,7 +125,7 @@ namespace OpenSim.Region.CoreModules.Scripting.RegionReady
                 c.Channel = m_channelNotify;
                 c.Message += numScriptsFailed.ToString() + "," + message;
                 c.Type = ChatTypeEnum.Region;
-                c.Position = new Vector3(128, 128, 30);
+                c.Position = new Vector3(((int)Constants.RegionSize * 0.5f), ((int)Constants.RegionSize * 0.5f), 30);
                 c.Sender = null;
                 c.SenderUUID = UUID.Zero;
 
diff --git a/OpenSim/Region/OptionalModules/World/TreePopulator/TreePopulatorModule.cs b/OpenSim/Region/OptionalModules/World/TreePopulator/TreePopulatorModule.cs
index 3e9c3269c7..d4bba1009d 100644
--- a/OpenSim/Region/OptionalModules/World/TreePopulator/TreePopulatorModule.cs
+++ b/OpenSim/Region/OptionalModules/World/TreePopulator/TreePopulatorModule.cs
@@ -755,8 +755,8 @@ namespace OpenSim.Region.OptionalModules.World.TreePopulator
             position.X = s_tree.AbsolutePosition.X + (float)randX;
             position.Y = s_tree.AbsolutePosition.Y + (float)randY;
 
-            if (position.X <= 255 && position.X >= 0 &&
-                position.Y <= 255 && position.Y >= 0 &&
+            if (position.X <= ((int)Constants.RegionSize - 1) && position.X >= 0 &&
+                position.Y <= ((int)Constants.RegionSize - 1) && position.Y >= 0 &&
                 Util.GetDistanceTo(position, copse.m_seed_point) <= copse.m_range)
             {
                 UUID uuid = m_scene.RegionInfo.EstateSettings.EstateOwner;
diff --git a/OpenSim/Region/Physics/BasicPhysicsPlugin/BasicPhysicsPlugin.cs b/OpenSim/Region/Physics/BasicPhysicsPlugin/BasicPhysicsPlugin.cs
index 92d577130e..d3d10bf817 100644
--- a/OpenSim/Region/Physics/BasicPhysicsPlugin/BasicPhysicsPlugin.cs
+++ b/OpenSim/Region/Physics/BasicPhysicsPlugin/BasicPhysicsPlugin.cs
@@ -144,7 +144,7 @@ namespace OpenSim.Region.Physics.BasicPhysicsPlugin
                 }
                 else if (actor.Position.Y >= Constants.RegionSize)
                 {
-                    actor.Position.Y = 255.9F;
+                    actor.Position.Y = ((int)Constants.RegionSize - 0.1f);
                 }
 
                 if (actor.Position.X < 0)
@@ -153,7 +153,7 @@ namespace OpenSim.Region.Physics.BasicPhysicsPlugin
                 }
                 else if (actor.Position.X >= Constants.RegionSize)
                 {
-                    actor.Position.X = 255.9F;
+                    actor.Position.X = ((int)Constants.RegionSize - 0.1f);
                 }
 
                 float height = _heightMap[(int)actor.Position.Y * Constants.RegionSize + (int)actor.Position.X] + actor.Size.Z;
diff --git a/OpenSim/Region/Physics/BulletDotNETPlugin/BulletDotNETPrim.cs b/OpenSim/Region/Physics/BulletDotNETPlugin/BulletDotNETPrim.cs
index 2cc5d41640..7ab8b98765 100644
--- a/OpenSim/Region/Physics/BulletDotNETPlugin/BulletDotNETPrim.cs
+++ b/OpenSim/Region/Physics/BulletDotNETPlugin/BulletDotNETPrim.cs
@@ -2476,7 +2476,7 @@ namespace OpenSim.Region.Physics.BulletDotNETPlugin
                     l_orientation.Z = tempOrientation2.getZ();
                     l_orientation.W = tempOrientation2.getW();
 
-                    if (l_position.X > 255.95f || l_position.X < 0f || l_position.Y > 255.95f || l_position.Y < 0f)
+                    if (l_position.X > ((int)Constants.RegionSize - 0.05f) || l_position.X < 0f || l_position.Y > ((int)Constants.RegionSize - 0.05f) || l_position.Y < 0f)
                     {
                         //base.RaiseOutOfBounds(l_position);
 
diff --git a/OpenSim/Region/Physics/OdePlugin/ODECharacter.cs b/OpenSim/Region/Physics/OdePlugin/ODECharacter.cs
index b5563955ff..759692f3fa 100644
--- a/OpenSim/Region/Physics/OdePlugin/ODECharacter.cs
+++ b/OpenSim/Region/Physics/OdePlugin/ODECharacter.cs
@@ -161,7 +161,7 @@ namespace OpenSim.Region.Physics.OdePlugin
             }
             else
             {
-                _position = new PhysicsVector(128,128,parent_scene.GetTerrainHeightAtXY(128,128) + 10);
+                _position = new PhysicsVector(((int)Constants.RegionSize * 0.5f), ((int)Constants.RegionSize * 0.5f), parent_scene.GetTerrainHeightAtXY(128, 128) + 10);
                 m_taintPosition.X = _position.X;
                 m_taintPosition.Y = _position.Y;
                 m_taintPosition.Z = _position.Z;
diff --git a/OpenSim/Region/Physics/OdePlugin/ODEPrim.cs b/OpenSim/Region/Physics/OdePlugin/ODEPrim.cs
index d8d3b68f6a..443788c5b9 100644
--- a/OpenSim/Region/Physics/OdePlugin/ODEPrim.cs
+++ b/OpenSim/Region/Physics/OdePlugin/ODEPrim.cs
@@ -181,7 +181,7 @@ namespace OpenSim.Region.Physics.OdePlugin
             _velocity = new PhysicsVector();
             if (!PhysicsVector.isFinite(pos))
             {
-                pos = new PhysicsVector(128, 128, parent_scene.GetTerrainHeightAtXY(128, 128) + 0.5f);
+                pos = new PhysicsVector(((int)Constants.RegionSize * 0.5f), ((int)Constants.RegionSize * 0.5f), parent_scene.GetTerrainHeightAtXY(((int)Constants.RegionSize * 0.5f), ((int)Constants.RegionSize * 0.5f)) + 0.5f);
                 m_log.Warn("[PHYSICS]: Got nonFinite Object create Position");
             }
             _position = pos;
@@ -2538,7 +2538,7 @@ namespace OpenSim.Region.Physics.OdePlugin
                     l_orientation.Z = ori.Z;
                     l_orientation.W = ori.W;
 
-                    if (l_position.X > 255.95f || l_position.X < 0f || l_position.Y > 255.95f || l_position.Y < 0f)
+                    if (l_position.X > ((int)Constants.RegionSize - 0.05f) || l_position.X < 0f || l_position.Y > ((int)Constants.RegionSize - 0.05f) || l_position.Y < 0f)
                     {
                         //base.RaiseOutOfBounds(l_position);
 
diff --git a/OpenSim/Region/Physics/OdePlugin/Tests/ODETestClass.cs b/OpenSim/Region/Physics/OdePlugin/Tests/ODETestClass.cs
index b186175ad7..cdd38c4cdc 100644
--- a/OpenSim/Region/Physics/OdePlugin/Tests/ODETestClass.cs
+++ b/OpenSim/Region/Physics/OdePlugin/Tests/ODETestClass.cs
@@ -76,7 +76,7 @@ namespace OpenSim.Region.Physics.OdePlugin
         public void CreateAndDropPhysicalCube()
         {
             PrimitiveBaseShape newcube = PrimitiveBaseShape.CreateBox();
-            PhysicsVector position = new PhysicsVector(128, 128, 128);
+            PhysicsVector position = new PhysicsVector(((int)Constants.RegionSize * 0.5f), ((int)Constants.RegionSize * 0.5f), 128);
             PhysicsVector size = new PhysicsVector(0.5f, 0.5f, 0.5f);
             Quaternion rot = Quaternion.Identity;
             PhysicsActor prim = ps.AddPrimShape("CoolShape", newcube, position, size, rot, true);
diff --git a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/OSSL_Api.cs b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/OSSL_Api.cs
index 1dd4b1921d..cbe84acbac 100644
--- a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/OSSL_Api.cs
+++ b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/OSSL_Api.cs
@@ -299,7 +299,7 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
             CheckThreatLevel(ThreatLevel.High, "osTerrainSetHeight");
 
             m_host.AddScriptLPS(1);
-            if (x > 255 || x < 0 || y > 255 || y < 0)
+            if (x > ((int)Constants.RegionSize - 1) || x < 0 || y > ((int)Constants.RegionSize - 1) || y < 0)
                 OSSLError("osTerrainSetHeight: Coordinate out of bounds");
 
             if (World.Permissions.CanTerraformLand(m_host.OwnerID, new Vector3(x, y, 0)))
@@ -318,7 +318,7 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
             CheckThreatLevel(ThreatLevel.None, "osTerrainGetHeight");
 
             m_host.AddScriptLPS(1);
-            if (x > 255 || x < 0 || y > 255 || y < 0)
+            if (x > ((int)Constants.RegionSize - 1) || x < 0 || y > ((int)Constants.RegionSize - 1) || y < 0)
                 OSSLError("osTerrainGetHeight: Coordinate out of bounds");
 
             return World.Heightmap[x, y];
diff --git a/OpenSim/Region/ScriptEngine/Shared/Api/Runtime/OSSL_Stub.cs b/OpenSim/Region/ScriptEngine/Shared/Api/Runtime/OSSL_Stub.cs
index 24081291d4..22c8887358 100644
--- a/OpenSim/Region/ScriptEngine/Shared/Api/Runtime/OSSL_Stub.cs
+++ b/OpenSim/Region/ScriptEngine/Shared/Api/Runtime/OSSL_Stub.cs
@@ -31,6 +31,7 @@ using System.Threading;
 using System.Reflection;
 using System.Collections;
 using System.Collections.Generic;
+using OpenSim.Framework;
 using OpenSim.Region.Framework.Interfaces;
 using OpenSim.Region.ScriptEngine.Interfaces;
 using OpenSim.Region.ScriptEngine.Shared.Api.Interfaces;
@@ -443,12 +444,12 @@ namespace OpenSim.Region.ScriptEngine.Shared.ScriptBase
             }
             private void Save()
             {
-                if (Position.x > 255)
-                    Position.x = 255;
+                if (Position.x > ((int)Constants.RegionSize - 1))
+                    Position.x = ((int)Constants.RegionSize - 1);
                 if (Position.x < 0)
                     Position.x = 0;
-                if (Position.y > 255)
-                    Position.y = 255;
+                if (Position.y > ((int)Constants.RegionSize - 1))
+                    Position.y = ((int)Constants.RegionSize - 1);
                 if (Position.y < 0)
                     Position.y = 0;
                 if (Position.z > 768)
diff --git a/OpenSim/Region/UserStatistics/ActiveConnectionsAJAX.cs b/OpenSim/Region/UserStatistics/ActiveConnectionsAJAX.cs
index a20e70f8b6..d7c39a3ec2 100644
--- a/OpenSim/Region/UserStatistics/ActiveConnectionsAJAX.cs
+++ b/OpenSim/Region/UserStatistics/ActiveConnectionsAJAX.cs
@@ -32,6 +32,7 @@ using System.Reflection;
 using System.Text;
 using Mono.Data.SqliteClient;
 using OpenMetaverse;
+using OpenSim.Framework;
 using OpenSim.Region.Framework.Scenes;
 using OpenSim.Framework.Statistics;
 
@@ -39,7 +40,7 @@ namespace OpenSim.Region.UserStatistics
 {
     public class ActiveConnectionsAJAX : IStatsController
     {
-        private Vector3 DefaultNeighborPosition = new Vector3(128, 128, 70);
+        private Vector3 DefaultNeighborPosition = new Vector3(((int)Constants.RegionSize * 0.5f), ((int)Constants.RegionSize * 0.5f), 70);
 
         #region IStatsController Members
 
diff --git a/OpenSim/Tests/Common/Mock/TestClient.cs b/OpenSim/Tests/Common/Mock/TestClient.cs
index 4b59b50e00..bf4ddf0cbc 100644
--- a/OpenSim/Tests/Common/Mock/TestClient.cs
+++ b/OpenSim/Tests/Common/Mock/TestClient.cs
@@ -298,7 +298,7 @@ namespace OpenSim.Tests.Common.Mock
         /// </value>
         public string CapsSeedUrl;
 
-        private Vector3 startPos = new Vector3(128, 128, 2);
+        private Vector3 startPos = new Vector3(((int)Constants.RegionSize * 0.5f), ((int)Constants.RegionSize * 0.5f), 2);
 
         public virtual Vector3 StartPos
         {