diff --git a/OpenSim/Framework/Console/ConsoleUtil.cs b/OpenSim/Framework/Console/ConsoleUtil.cs
index 85c5f4633b..8478e82894 100644
--- a/OpenSim/Framework/Console/ConsoleUtil.cs
+++ b/OpenSim/Framework/Console/ConsoleUtil.cs
@@ -78,7 +78,7 @@ namespace OpenSim.Framework.Console
             if (!UUID.TryParse(rawUuid, out uuid))
             {
                 if (console != null)
-                    console.OutputFormat("{0} is not a valid uuid", rawUuid);
+                    console.OutputFormat("ERROR: {0} is not a valid uuid", rawUuid);
 
                 return false;
             }
@@ -91,7 +91,7 @@ namespace OpenSim.Framework.Console
             if (!uint.TryParse(rawLocalId, out localId))
             {
                 if (console != null)
-                    console.OutputFormat("{0} is not a valid local id", localId);
+                    console.OutputFormat("ERROR: {0} is not a valid local id", localId);
 
                 return false;
             }
@@ -99,7 +99,7 @@ namespace OpenSim.Framework.Console
             if (localId == 0)
             {
                 if (console != null)
-                    console.OutputFormat("{0} is not a valid local id - it must be greater than 0", localId);
+                    console.OutputFormat("ERROR: {0} is not a valid local id - it must be greater than 0", localId);
 
                 return false;
             }
@@ -131,10 +131,30 @@ namespace OpenSim.Framework.Console
             }
 
             if (console != null)
-                console.OutputFormat("{0} is not a valid UUID or local id", rawId);
+                console.OutputFormat("ERROR: {0} is not a valid UUID or local id", rawId);
 
             return false;
         }
+
+        /// <summary>
+        /// Convert a minimum vector input from the console to an OpenMetaverse.Vector3
+        /// </summary>
+        /// <param name='console'>Can be null if no console is available.</param>
+        /// <param name='rawConsoleVector'>/param>
+        /// <param name='vector'></param>
+        /// <returns></returns>
+        public static bool TryParseConsoleInt(ICommandConsole console, string rawConsoleInt, out int i)
+        {
+            if (!int.TryParse(rawConsoleInt, out i))
+            {
+                if (console != null)
+                    console.OutputFormat("ERROR: {0} is not a valid integer", rawConsoleInt);
+
+                return false;
+            }
+
+            return true;
+        }
     
         /// <summary>
         /// Convert a minimum vector input from the console to an OpenMetaverse.Vector3
diff --git a/OpenSim/Region/ScriptEngine/Interfaces/IScriptInstance.cs b/OpenSim/Region/ScriptEngine/Interfaces/IScriptInstance.cs
index 0cef550749..00a99c3ca0 100644
--- a/OpenSim/Region/ScriptEngine/Interfaces/IScriptInstance.cs
+++ b/OpenSim/Region/ScriptEngine/Interfaces/IScriptInstance.cs
@@ -58,6 +58,18 @@ namespace OpenSim.Region.ScriptEngine.Interfaces
     /// </summary>
     public interface IScriptInstance
     {
+        /// <summary>
+        /// Debug level for this script instance.
+        /// </summary>
+        /// <remarks>
+        /// Level == 0, no extra data is logged.
+        /// Level >= 1, state changes are logged.
+        /// Level >= 2, event firing is logged.
+        /// <value>
+        /// The debug level.
+        /// </value>
+        int DebugLevel { get; set; }
+
         /// <summary>
         /// Is the script currently running?
         /// </summary>
diff --git a/OpenSim/Region/ScriptEngine/Shared/Instance/ScriptInstance.cs b/OpenSim/Region/ScriptEngine/Shared/Instance/ScriptInstance.cs
index 5ad6eebbc9..435e9dc73a 100644
--- a/OpenSim/Region/ScriptEngine/Shared/Instance/ScriptInstance.cs
+++ b/OpenSim/Region/ScriptEngine/Shared/Instance/ScriptInstance.cs
@@ -93,6 +93,8 @@ namespace OpenSim.Region.ScriptEngine.Shared.Instance
         private UUID m_CurrentStateHash;
         private UUID m_RegionID;
 
+        public int DebugLevel { get; set; }
+
         public Dictionary<KeyValuePair<int, int>, KeyValuePair<int, int>> LineMap { get; set; }
 
         private Dictionary<string,IScriptApi> m_Apis = new Dictionary<string,IScriptApi>();
@@ -703,21 +705,42 @@ namespace OpenSim.Region.ScriptEngine.Shared.Instance
                     if (data.EventName == "collision")
                         m_CollisionInQueue = false;
                 }
-                
-//                m_log.DebugFormat("[XEngine]: Processing event {0} for {1}", data.EventName, this);
+
+                SceneObjectPart part = Engine.World.GetSceneObjectPart(LocalID);
+
+                if (DebugLevel >= 2)
+                    m_log.DebugFormat(
+                        "[SCRIPT INSTANCE]: Processing event {0} for {1}/{2}({3})/{4}({5}) @ {6}/{7}", 
+                        data.EventName, 
+                        ScriptName, 
+                        part.Name, 
+                        part.LocalId, 
+                        part.ParentGroup.Name, 
+                        part.ParentGroup.UUID, 
+                        part.AbsolutePosition, 
+                        part.ParentGroup.Scene.Name);
 
                 m_DetectParams = data.DetectParams;
 
                 if (data.EventName == "state") // Hardcoded state change
                 {
-    //                m_log.DebugFormat("[Script] Script {0}.{1} state set to {2}",
-    //                        PrimName, ScriptName, data.Params[0].ToString());
                     State = data.Params[0].ToString();
+
+                    if (DebugLevel >= 1)
+                        m_log.DebugFormat(
+                            "[SCRIPT INSTANCE]: Changing state to {0} for {1}/{2}({3})/{4}({5}) @ {6}/{7}", 
+                            State, 
+                            ScriptName, 
+                            part.Name, 
+                            part.LocalId, 
+                            part.ParentGroup.Name, 
+                            part.ParentGroup.UUID, 
+                            part.AbsolutePosition, 
+                            part.ParentGroup.Scene.Name);
+
                     AsyncCommandManager.RemoveScript(Engine,
                         LocalID, ItemID);
 
-                    SceneObjectPart part = Engine.World.GetSceneObjectPart(
-                        LocalID);
                     if (part != null)
                     {
                         part.SetScriptEvents(ItemID,
@@ -729,8 +752,6 @@ namespace OpenSim.Region.ScriptEngine.Shared.Instance
                     if (Engine.World.PipeEventsForScript(LocalID) ||
                         data.EventName == "control") // Don't freeze avies!
                     {
-                        SceneObjectPart part = Engine.World.GetSceneObjectPart(
-                            LocalID);
         //                m_log.DebugFormat("[Script] Delivered event {2} in state {3} to {0}.{1}",
         //                        PrimName, ScriptName, data.EventName, State);
 
diff --git a/OpenSim/Region/ScriptEngine/XEngine/XEngine.cs b/OpenSim/Region/ScriptEngine/XEngine/XEngine.cs
index 1cb241bd30..00f84c5641 100644
--- a/OpenSim/Region/ScriptEngine/XEngine/XEngine.cs
+++ b/OpenSim/Region/ScriptEngine/XEngine/XEngine.cs
@@ -304,7 +304,7 @@ namespace OpenSim.Region.ScriptEngine.XEngine
 
             MainConsole.Instance.Commands.AddCommand(
                 "Scripts", false, "scripts show", "scripts show [<script-item-uuid>]", "Show script information",
-                "Show information on all scripts known to the script engine."
+                "Show information on all scripts known to the script engine.\n"
                     + "If a <script-item-uuid> is given then only information on that script will be shown.",
                 HandleShowScripts);
 
@@ -323,22 +323,30 @@ namespace OpenSim.Region.ScriptEngine.XEngine
             MainConsole.Instance.Commands.AddCommand(
                 "Scripts", false, "scripts resume", "scripts resume [<script-item-uuid>]", "Resumes all suspended scripts",
                 "Resumes all currently suspended scripts.\n"
-                    + "Resumed scripts will process all events accumulated whilst suspended."
+                    + "Resumed scripts will process all events accumulated whilst suspended.\n"
                     + "If a <script-item-uuid> is given then only that script will be resumed.  Otherwise, all suitable scripts are resumed.",
                 (module, cmdparams) => HandleScriptsAction(cmdparams, HandleResumeScript));
 
             MainConsole.Instance.Commands.AddCommand(
                 "Scripts", false, "scripts stop", "scripts stop [<script-item-uuid>]", "Stops all running scripts",
-                "Stops all running scripts."
+                "Stops all running scripts.\n"
                     + "If a <script-item-uuid> is given then only that script will be stopped.  Otherwise, all suitable scripts are stopped.",
                 (module, cmdparams) => HandleScriptsAction(cmdparams, HandleStopScript));
 
             MainConsole.Instance.Commands.AddCommand(
                 "Scripts", false, "scripts start", "scripts start [<script-item-uuid>]", "Starts all stopped scripts",
-                "Starts all stopped scripts."
+                "Starts all stopped scripts.\n"
                     + "If a <script-item-uuid> is given then only that script will be started.  Otherwise, all suitable scripts are started.",
                 (module, cmdparams) => HandleScriptsAction(cmdparams, HandleStartScript));
 
+            MainConsole.Instance.Commands.AddCommand(
+                "Scripts", false, "debug script log", "debug scripts log <item-id> <log-level>", "Extra debug logging for a script",
+                "Activates or deactivates extra debug logging for the given script.\n"
+                    + "Level == 0, deactivate extra debug logging.\n"
+                    + "Level >= 1, log state changes.\n"
+                    + "Level >= 2, log event invocations.\n",
+                HandleDebugScriptLogCommand);
+
 //            MainConsole.Instance.Commands.AddCommand(
 //                "Debug", false, "debug xengine", "debug xengine [<level>]",
 //                "Turn on detailed xengine debugging.",
@@ -347,6 +355,41 @@ namespace OpenSim.Region.ScriptEngine.XEngine
 //                HandleDebugLevelCommand);
         }
 
+        private void HandleDebugScriptLogCommand(string module, string[] args)
+        {
+            if (!(MainConsole.Instance.ConsoleScene == null || MainConsole.Instance.ConsoleScene == m_Scene))
+                return;
+
+            if (args.Length != 5)
+            {
+                MainConsole.Instance.Output("Usage: debug script log <item-id> <log-level>");
+                return;
+            }
+
+            UUID itemId;
+
+            if (!ConsoleUtil.TryParseConsoleUuid(MainConsole.Instance, args[3], out itemId))
+                return;
+
+            int newLevel;
+
+            if (!ConsoleUtil.TryParseConsoleInt(MainConsole.Instance, args[4], out newLevel))
+                return;
+
+            IScriptInstance si;
+
+            lock (m_Scripts)
+            {
+                // XXX: We can't give the user feedback on a bad item id because this may apply to a different script
+                // engine
+                if (!m_Scripts.TryGetValue(itemId, out si))
+                    return;
+            }
+
+            si.DebugLevel = newLevel;
+            MainConsole.Instance.OutputFormat("Set debug level of {0} {1} to {2}", si.ScriptName, si.ItemID, newLevel);
+        }
+
         /// <summary>
         /// Change debug level
         /// </summary>
@@ -418,7 +461,7 @@ namespace OpenSim.Region.ScriptEngine.XEngine
     
                 if (!UUID.TryParse(rawItemId, out itemId))
                 {
-                    MainConsole.Instance.OutputFormat("Error - {0} is not a valid UUID", rawItemId);
+                    MainConsole.Instance.OutputFormat("ERROR: {0} is not a valid UUID", rawItemId);
                     return;
                 }