diff --git a/OpenSim/Framework/RegionInfo.cs b/OpenSim/Framework/RegionInfo.cs
index ad988165eb..afc4060044 100644
--- a/OpenSim/Framework/RegionInfo.cs
+++ b/OpenSim/Framework/RegionInfo.cs
@@ -29,14 +29,15 @@ using System;
 using System.Collections.Generic;
 using System.Net;
 using System.Net.Sockets;
+using System.Reflection;
 using System.Xml;
 using System.IO;
+using log4net;
 using Nini.Config;
 using OpenMetaverse;
 using OpenMetaverse.StructuredData;
 using OpenSim.Framework.Console;
 
-
 namespace OpenSim.Framework
 {
     public class RegionLightShareData : ICloneable
@@ -96,10 +97,9 @@ namespace OpenSim.Framework
 
     [Serializable]
     public class SimpleRegionInfo
-    {
-        // private static readonly log4net.ILog m_log
-        //     = log4net.LogManager.GetLogger(System.Reflection.MethodBase.GetCurrentMethod().DeclaringType);
-
+    {    
+//        private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
+        
         /// <summary>
         /// The port by which http communication occurs with the region (most noticeably, CAPS communication)
         /// </summary>
@@ -327,8 +327,7 @@ namespace OpenSim.Framework
 
     public class RegionInfo
     {
-        // private static readonly log4net.ILog m_log
-        //     = log4net.LogManager.GetLogger(System.Reflection.MethodBase.GetCurrentMethod().DeclaringType);
+        private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
 
         public bool commFailTF = false;
         public ConfigurationMember configMember;
@@ -772,9 +771,16 @@ namespace OpenSim.Framework
             }
 
             if (externalName == "SYSTEMIP")
+            {
                 m_externalHostName = Util.GetLocalHost().ToString();
+                m_log.InfoFormat(
+                    "[REGIONINFO]: Resolving SYSTEMIP to {0} for external hostname of region {1}", 
+                    m_externalHostName, name);
+            }
             else
+            {
                 m_externalHostName = externalName;
+            }
 
             m_regionType = config.GetString("RegionType", String.Empty);
 
diff --git a/OpenSim/Framework/Servers/HttpServer/BaseHttpServer.cs b/OpenSim/Framework/Servers/HttpServer/BaseHttpServer.cs
index a6e00c2251..8123f2fed7 100644
--- a/OpenSim/Framework/Servers/HttpServer/BaseHttpServer.cs
+++ b/OpenSim/Framework/Servers/HttpServer/BaseHttpServer.cs
@@ -310,7 +310,7 @@ namespace OpenSim.Framework.Servers.HttpServer
             }
             catch (Exception e)
             {
-                m_log.Error(string.Format("[BASE HTTP SERVER]: OnRequest() failed with "), e);
+                m_log.ErrorFormat("[BASE HTTP SERVER]: OnRequest() failed with {0}{1}", e.Message, e.StackTrace);
             }
         }
 
diff --git a/OpenSim/Framework/WebUtil.cs b/OpenSim/Framework/WebUtil.cs
index 94862a6372..e20866eaa3 100644
--- a/OpenSim/Framework/WebUtil.cs
+++ b/OpenSim/Framework/WebUtil.cs
@@ -114,7 +114,7 @@ namespace OpenSim.Framework
             }
             catch (Exception ex)
             {
-                m_log.Warn("GET from URL " + url + " failed: " + ex.Message);
+                m_log.Warn(httpVerb + " on URL " + url + " failed: " + ex.Message);
                 errorMessage = ex.Message;
             }
 
diff --git a/OpenSim/Region/Application/OpenSim.cs b/OpenSim/Region/Application/OpenSim.cs
index 75561a7d52..cb48ac1190 100644
--- a/OpenSim/Region/Application/OpenSim.cs
+++ b/OpenSim/Region/Application/OpenSim.cs
@@ -192,9 +192,7 @@ namespace OpenSim
             // Hook up to the watchdog timer
             Watchdog.OnWatchdogTimeout += WatchdogTimeoutHandler;
 
-            PrintFileToConsole("startuplogo.txt");
-
-            m_log.InfoFormat("[NETWORK]: Using {0} as SYSTEMIP", Util.GetLocalHost().ToString());
+            PrintFileToConsole("startuplogo.txt");            
 
             // For now, start at the 'root' level by default
             if (m_sceneManager.Scenes.Count == 1) // If there is only one region, select it
diff --git a/OpenSim/Region/Framework/Scenes/SceneGraph.cs b/OpenSim/Region/Framework/Scenes/SceneGraph.cs
index 904e38a521..ce7b0ebc47 100644
--- a/OpenSim/Region/Framework/Scenes/SceneGraph.cs
+++ b/OpenSim/Region/Framework/Scenes/SceneGraph.cs
@@ -659,7 +659,7 @@ namespace OpenSim.Region.Framework.Scenes
             if (!Entities.Remove(agentID))
             {
                 m_log.WarnFormat(
-                    "[SCENE] Tried to remove non-existent scene presence with agent ID {0} from scene Entities list",
+                    "[SCENE]: Tried to remove non-existent scene presence with agent ID {0} from scene Entities list",
                     agentID);
             }
 
@@ -668,12 +668,13 @@ namespace OpenSim.Region.Framework.Scenes
             {
                 Dictionary<UUID, ScenePresence> newmap = new Dictionary<UUID, ScenePresence>(m_scenePresenceMap);
                 List<ScenePresence> newlist = new List<ScenePresence>(m_scenePresenceArray);
-
-                // Remember the old presene reference from the dictionary
-                ScenePresence oldref = newmap[agentID];
+                
                 // Remove the presence reference from the dictionary
-                if (newmap.Remove(agentID))
+                if (newmap.ContainsKey(agentID))
                 {
+                    ScenePresence oldref = newmap[agentID];
+                    newmap.Remove(agentID);
+
                     // Find the index in the list where the old ref was stored and remove the reference
                     newlist.RemoveAt(newlist.IndexOf(oldref));
                     // Swap out the dictionary and list with new references
@@ -682,7 +683,7 @@ namespace OpenSim.Region.Framework.Scenes
                 }
                 else
                 {
-                    m_log.WarnFormat("[SCENE] Tried to remove non-existent scene presence with agent ID {0} from scene ScenePresences list", agentID);
+                    m_log.WarnFormat("[SCENE]: Tried to remove non-existent scene presence with agent ID {0} from scene ScenePresences list", agentID);
                 }
             }
             finally
diff --git a/OpenSim/Services/Connectors/SimianGrid/SimianAssetServiceConnector.cs b/OpenSim/Services/Connectors/SimianGrid/SimianAssetServiceConnector.cs
index 3fdee9c8b4..34bb8b38c8 100644
--- a/OpenSim/Services/Connectors/SimianGrid/SimianAssetServiceConnector.cs
+++ b/OpenSim/Services/Connectors/SimianGrid/SimianAssetServiceConnector.cs
@@ -371,18 +371,33 @@ namespace OpenSim.Services.Connectors.SimianGrid
         /// <returns></returns>
         public bool Delete(string id)
         {
+            string errorMessage = String.Empty;
+            string url = m_serverUrl + id;
+
             if (m_cache != null)
                 m_cache.Expire(id);
 
-            string url = m_serverUrl + id;
+            try
+            {
+                HttpWebRequest request = (HttpWebRequest)HttpWebRequest.Create(url);
+                request.Method = "DELETE";
+
+                using (HttpWebResponse response = (HttpWebResponse)request.GetResponse())
+                {
+                    if (response.StatusCode != HttpStatusCode.NoContent)
+                    {
+                        m_log.Warn("[SIMIAN ASSET CONNECTOR]: Unexpected response when deleting asset " + url + ": " +
+                            response.StatusCode + " (" + response.StatusDescription + ")");
+                    }
+                }
 
-            OSDMap response = WebUtil.ServiceRequest(url, "DELETE");
-            if (response["Success"].AsBoolean())
                 return true;
-            else
-                m_log.Warn("[SIMIAN ASSET CONNECTOR]: Failed to delete asset " + id + " from the asset service");
-
-            return false;
+            }
+            catch (Exception ex)
+            {
+                m_log.Warn("[SIMIAN ASSET CONNECTOR]: Failed to delete asset " + id + " from the asset service: " + ex.Message);
+                return false;
+            }
         }
 
         #endregion IAssetService