diff --git a/OpenSim/Region/CoreModules/Avatar/InstantMessage/InstantMessageModule.cs b/OpenSim/Region/CoreModules/Avatar/InstantMessage/InstantMessageModule.cs
index a7aa4ea0fb..ffdac58ac9 100644
--- a/OpenSim/Region/CoreModules/Avatar/InstantMessage/InstantMessageModule.cs
+++ b/OpenSim/Region/CoreModules/Avatar/InstantMessage/InstantMessageModule.cs
@@ -156,15 +156,30 @@ namespace OpenSim.Region.CoreModules.Avatar.InstantMessage
                 return;
             }
 
-            // Force timestamp to server time to avoid "Saved on" headers
-            // being generated for online users
-            im.timestamp = (uint)Util.UnixTimeSinceEpoch();
+            DateTime dt = DateTime.UtcNow;
 
-            if (dialog == (byte)InstantMessageDialog.MessageFromAgent ||
-                dialog == (byte)InstantMessageDialog.MessageFromObject)
+            // Ticks from UtcNow, but make it look like local. Evil, huh?
+            dt = DateTime.SpecifyKind(dt, DateTimeKind.Local);
+
+            try
             {
-                im.offline = 1;
+                // Convert that to the PST timezone
+                TimeZoneInfo timeZoneInfo = TimeZoneInfo.FindSystemTimeZoneById("America/Los_Angeles");
+                dt = TimeZoneInfo.ConvertTime(dt, timeZoneInfo);
             }
+            catch
+            {
+                m_log.Info("[OFFLINE MESSAGING]: No PST timezone found on this machine. Saving with local timestamp.");
+            }
+
+            // And make it look local again to fool the unix time util
+            dt = DateTime.SpecifyKind(dt, DateTimeKind.Utc);
+
+            im.timestamp = (uint)Util.ToUnixTime(dt);
+
+            // If client is null, this message comes from storage and IS offline
+            if (client != null)
+                im.offline = 0;
 
             if (m_TransferModule != null)
             {
diff --git a/OpenSim/Region/CoreModules/Avatar/InstantMessage/OfflineMessageModule.cs b/OpenSim/Region/CoreModules/Avatar/InstantMessage/OfflineMessageModule.cs
index a2dc91f3b8..feeb9e6955 100644
--- a/OpenSim/Region/CoreModules/Avatar/InstantMessage/OfflineMessageModule.cs
+++ b/OpenSim/Region/CoreModules/Avatar/InstantMessage/OfflineMessageModule.cs
@@ -192,6 +192,17 @@ namespace OpenSim.Region.CoreModules.Avatar.InstantMessage
                     // Needed for proper state management for stored group
                     // invitations
                     //
+
+                    im.offline = 1;
+
+                    // Reconstruct imSessionID
+                    if (im.dialog == (byte)InstantMessageDialog.MessageFromAgent)
+                    {
+                        UUID fromAgentID = new UUID(im.fromAgentID);
+                        UUID sessionID = fromAgentID ^ client.AgentId;
+                        im.imSessionID = new Guid(sessionID.ToString());
+                    }
+
                     Scene s = FindScene(client.AgentId);
                     if (s != null)
                         s.EventManager.TriggerIncomingInstantMessage(im);
@@ -201,35 +212,37 @@ namespace OpenSim.Region.CoreModules.Avatar.InstantMessage
 
         private void UndeliveredMessage(GridInstantMessage im)
         {
-            if (im.dialog == 19)
-                im.offline = 1; // We want them pushed out to the server
-            if ((im.offline != 0)
-                && (!im.fromGroup || (im.fromGroup && m_ForwardOfflineGroupMessages)))
+            if (im.dialog != (byte)InstantMessageDialog.MessageFromObject &&
+                im.dialog != (byte)InstantMessageDialog.MessageFromAgent &&
+                im.dialog != (byte)InstantMessageDialog.GroupNotice &&
+                im.dialog != (byte)InstantMessageDialog.InventoryOffered)
             {
-                // It's not delivered. Make sure the scope id is saved
-                // We don't need the imSessionID here anymore, overwrite it
-                Scene scene = FindScene(new UUID(im.fromAgentID));
-                if (scene == null)
-                    scene = m_SceneList[0];
-                im.imSessionID = new Guid(scene.RegionInfo.ScopeID.ToString());
+                return;
+            }
 
-                bool success = SynchronousRestObjectPoster.BeginPostObject<GridInstantMessage, bool>(
-                        "POST", m_RestURL+"/SaveMessage/", im);
+            // It's not delivered. Make sure the scope id is saved
+            // We don't need the imSessionID here anymore, overwrite it
+            Scene scene = FindScene(new UUID(im.fromAgentID));
+            if (scene == null)
+                scene = m_SceneList[0];
+            im.imSessionID = new Guid(scene.RegionInfo.ScopeID.ToString());
 
-                if (im.dialog == (byte)InstantMessageDialog.MessageFromAgent)
-                {
-                    IClientAPI client = FindClient(new UUID(im.fromAgentID));
-                    if (client == null)
-                        return;
+            bool success = SynchronousRestObjectPoster.BeginPostObject<GridInstantMessage, bool>(
+                    "POST", m_RestURL+"/SaveMessage/", im);
 
-                    client.SendInstantMessage(new GridInstantMessage(
-                            null, new UUID(im.toAgentID),
-                            "System", new UUID(im.fromAgentID),
-                            (byte)InstantMessageDialog.MessageFromAgent,
-                            "User is not logged in. "+
-                            (success ? "Message saved." : "Message not saved"),
-                            false, new Vector3()));
-                }
+            if (im.dialog == (byte)InstantMessageDialog.MessageFromAgent)
+            {
+                IClientAPI client = FindClient(new UUID(im.fromAgentID));
+                if (client == null)
+                    return;
+
+                client.SendInstantMessage(new GridInstantMessage(
+                        null, new UUID(im.toAgentID),
+                        "System", new UUID(im.fromAgentID),
+                        (byte)InstantMessageDialog.MessageFromAgent,
+                        "User is not logged in. "+
+                        (success ? "Message saved." : "Message not saved"),
+                        false, new Vector3()));
             }
         }
     }
diff --git a/OpenSim/Region/Framework/Scenes/ScenePresence.cs b/OpenSim/Region/Framework/Scenes/ScenePresence.cs
index 4a4cac9f85..e51d9ee605 100644
--- a/OpenSim/Region/Framework/Scenes/ScenePresence.cs
+++ b/OpenSim/Region/Framework/Scenes/ScenePresence.cs
@@ -3730,8 +3730,11 @@ Console.WriteLine("Scripted Sit ofset {0}", m_pos);
                 {
                     CollidingMessage.Colliders = colliding;
 
-                    foreach (SceneObjectGroup att in Attachments)
-                        Scene.EventManager.TriggerScriptColliding(att.LocalId, CollidingMessage);
+                    lock (m_attachments)
+                    {
+                        foreach (SceneObjectGroup att in m_attachments)
+                            Scene.EventManager.TriggerScriptColliding(att.LocalId, CollidingMessage);
+                    }
                 }
             }
 
diff --git a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs
index 11d7c2bdf0..f15350499c 100644
--- a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs
+++ b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs
@@ -3252,7 +3252,27 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
             msg.imSessionID = new Guid(friendTransactionID.ToString()); // This is the item we're mucking with here
 //            m_log.Debug("[Scripting IM]: From:" + msg.fromAgentID.ToString() + " To: " + msg.toAgentID.ToString() + " Session:" + msg.imSessionID.ToString() + " Message:" + message);
 //            m_log.Debug("[Scripting IM]: Filling Session: " + msg.imSessionID.ToString());
-            msg.timestamp = (uint)Util.UnixTimeSinceEpoch();// timestamp;
+            DateTime dt = DateTime.UtcNow;
+
+            // Ticks from UtcNow, but make it look like local. Evil, huh?
+            dt = DateTime.SpecifyKind(dt, DateTimeKind.Local);
+
+            try
+            {
+                // Convert that to the PST timezone
+                TimeZoneInfo timeZoneInfo = TimeZoneInfo.FindSystemTimeZoneById("America/Los_Angeles");
+                dt = TimeZoneInfo.ConvertTime(dt, timeZoneInfo);
+            }
+            catch
+            {
+                // No logging here, as it could be VERY spammy
+            }
+
+            // And make it look local again to fool the unix time util
+            dt = DateTime.SpecifyKind(dt, DateTimeKind.Utc);
+
+            msg.timestamp = (uint)Util.ToUnixTime(dt);
+
             //if (client != null)
             //{
                 msg.fromAgentName = m_host.Name;//client.FirstName + " " + client.LastName;// fromAgentName;