diff --git a/OpenSim/Region/CoreModules/World/Terrain/FileLoaders/BMP.cs b/OpenSim/Region/CoreModules/World/Terrain/FileLoaders/BMP.cs
index 90f124bcbf..fb57c8275b 100644
--- a/OpenSim/Region/CoreModules/World/Terrain/FileLoaders/BMP.cs
+++ b/OpenSim/Region/CoreModules/World/Terrain/FileLoaders/BMP.cs
@@ -72,5 +72,11 @@ namespace OpenSim.Region.CoreModules.World.Terrain.FileLoaders
         {
             return "BMP";
         }
+
+        //Returns true if this extension is supported for terrain save-tile
+        public override bool SupportsTileSave()
+        {
+            return false;
+        }
     }
 }
diff --git a/OpenSim/Region/CoreModules/World/Terrain/FileLoaders/GIF.cs b/OpenSim/Region/CoreModules/World/Terrain/FileLoaders/GIF.cs
index f331b562cd..79cc50b386 100644
--- a/OpenSim/Region/CoreModules/World/Terrain/FileLoaders/GIF.cs
+++ b/OpenSim/Region/CoreModules/World/Terrain/FileLoaders/GIF.cs
@@ -57,5 +57,11 @@ namespace OpenSim.Region.CoreModules.World.Terrain.FileLoaders
         {
             return "GIF";
         }
+
+        //Returns true if this extension is supported for terrain save-tile
+        public override bool SupportsTileSave()
+        {
+            return false;
+        }
     }
 }
diff --git a/OpenSim/Region/CoreModules/World/Terrain/FileLoaders/GenericSystemDrawing.cs b/OpenSim/Region/CoreModules/World/Terrain/FileLoaders/GenericSystemDrawing.cs
index 58925fd624..da81dc16a9 100644
--- a/OpenSim/Region/CoreModules/World/Terrain/FileLoaders/GenericSystemDrawing.cs
+++ b/OpenSim/Region/CoreModules/World/Terrain/FileLoaders/GenericSystemDrawing.cs
@@ -177,6 +177,12 @@ namespace OpenSim.Region.CoreModules.World.Terrain.FileLoaders
             return "SYS.DRAWING";
         }
 
+        //Returns true if this extension is supported for terrain save-tile
+        public virtual bool SupportsTileSave()
+        {
+            return false;
+        }
+
         /// <summary>
         /// Protected method, generates a grayscale bitmap
         /// image from a specified terrain channel.
diff --git a/OpenSim/Region/CoreModules/World/Terrain/FileLoaders/JPEG.cs b/OpenSim/Region/CoreModules/World/Terrain/FileLoaders/JPEG.cs
index 1a0d8ecf60..699d67a440 100644
--- a/OpenSim/Region/CoreModules/World/Terrain/FileLoaders/JPEG.cs
+++ b/OpenSim/Region/CoreModules/World/Terrain/FileLoaders/JPEG.cs
@@ -91,6 +91,12 @@ namespace OpenSim.Region.CoreModules.World.Terrain.FileLoaders
             return "JPEG";
         }
 
+        //Returns true if this extension is supported for terrain save-tile
+        public bool SupportsTileSave()
+        {
+            return false;
+        }
+
         private static Bitmap CreateBitmapFromMap(ITerrainChannel map)
         {
             Bitmap gradientmapLd = new Bitmap("defaultstripe.png");
diff --git a/OpenSim/Region/CoreModules/World/Terrain/FileLoaders/LLRAW.cs b/OpenSim/Region/CoreModules/World/Terrain/FileLoaders/LLRAW.cs
index fad7641e42..62d232e833 100644
--- a/OpenSim/Region/CoreModules/World/Terrain/FileLoaders/LLRAW.cs
+++ b/OpenSim/Region/CoreModules/World/Terrain/FileLoaders/LLRAW.cs
@@ -254,5 +254,12 @@ namespace OpenSim.Region.CoreModules.World.Terrain.FileLoaders
         {
             return "LL/SL RAW";
         }
+
+        //Returns true if this extension is supported for terrain save-tile
+        public bool SupportsTileSave()
+        {
+            return false;
+        }
+
     }
 }
diff --git a/OpenSim/Region/CoreModules/World/Terrain/FileLoaders/PNG.cs b/OpenSim/Region/CoreModules/World/Terrain/FileLoaders/PNG.cs
index e009ecf833..c5c12ae6cf 100644
--- a/OpenSim/Region/CoreModules/World/Terrain/FileLoaders/PNG.cs
+++ b/OpenSim/Region/CoreModules/World/Terrain/FileLoaders/PNG.cs
@@ -57,5 +57,11 @@ namespace OpenSim.Region.CoreModules.World.Terrain.FileLoaders
         {
             return "PNG";
         }
+
+        //Returns true if this extension is supported for terrain save-tile
+        public override bool SupportsTileSave()
+        {
+            return true;
+        }
     }
 }
diff --git a/OpenSim/Region/CoreModules/World/Terrain/FileLoaders/RAW32.cs b/OpenSim/Region/CoreModules/World/Terrain/FileLoaders/RAW32.cs
index ba073cae5a..9fb7ef796e 100644
--- a/OpenSim/Region/CoreModules/World/Terrain/FileLoaders/RAW32.cs
+++ b/OpenSim/Region/CoreModules/World/Terrain/FileLoaders/RAW32.cs
@@ -173,5 +173,11 @@ namespace OpenSim.Region.CoreModules.World.Terrain.FileLoaders
         {
             return "RAW32";
         }
+
+        //Returns true if this extension is supported for terrain save-tile
+        public bool SupportsTileSave()
+        {
+            return false;
+        }
     }
 }
diff --git a/OpenSim/Region/CoreModules/World/Terrain/FileLoaders/TIFF.cs b/OpenSim/Region/CoreModules/World/Terrain/FileLoaders/TIFF.cs
index fc1ad33baf..5d2f8937b4 100644
--- a/OpenSim/Region/CoreModules/World/Terrain/FileLoaders/TIFF.cs
+++ b/OpenSim/Region/CoreModules/World/Terrain/FileLoaders/TIFF.cs
@@ -57,5 +57,11 @@ namespace OpenSim.Region.CoreModules.World.Terrain.FileLoaders
         {
             return "TIFF";
         }
+
+        //Returns true if this extension is supported for terrain save-tile
+        public bool SupportsTileSave()
+        {
+            return false;
+        }
     }
 }
diff --git a/OpenSim/Region/CoreModules/World/Terrain/FileLoaders/Terragen.cs b/OpenSim/Region/CoreModules/World/Terrain/FileLoaders/Terragen.cs
index 2f37d9d7e9..1ebf91654c 100644
--- a/OpenSim/Region/CoreModules/World/Terrain/FileLoaders/Terragen.cs
+++ b/OpenSim/Region/CoreModules/World/Terrain/FileLoaders/Terragen.cs
@@ -323,6 +323,12 @@ namespace OpenSim.Region.CoreModules.World.Terrain.FileLoaders
             return "Terragen";
         }
 
+        //Returns true if this extension is supported for terrain save-tile
+        public bool SupportsTileSave()
+        {
+            return false;
+        }
+
         /// <summary>
         /// terragen SCAL floats need to be written intel ordered regardless of
         /// big or little endian system
diff --git a/OpenSim/Region/CoreModules/World/Terrain/ITerrainLoader.cs b/OpenSim/Region/CoreModules/World/Terrain/ITerrainLoader.cs
index d407617ec5..3ba36577fe 100644
--- a/OpenSim/Region/CoreModules/World/Terrain/ITerrainLoader.cs
+++ b/OpenSim/Region/CoreModules/World/Terrain/ITerrainLoader.cs
@@ -32,6 +32,10 @@ namespace OpenSim.Region.CoreModules.World.Terrain
 {
     public interface ITerrainLoader
     {
+        // Returns true if that extension can be used for terrain save-tile
+        // (Look into each file in Region.CoreModules.World.Terrain.FileLoaders) 
+        bool SupportsTileSave();
+
         string FileExtension { get; }
         ITerrainChannel LoadFile(string filename);
         ITerrainChannel LoadFile(string filename, int fileStartX, int fileStartY, int fileWidth, int fileHeight, int sectionWidth, int sectionHeight);
diff --git a/OpenSim/Region/CoreModules/World/Terrain/TerrainModule.cs b/OpenSim/Region/CoreModules/World/Terrain/TerrainModule.cs
index b3c2969057..8535a5aceb 100644
--- a/OpenSim/Region/CoreModules/World/Terrain/TerrainModule.cs
+++ b/OpenSim/Region/CoreModules/World/Terrain/TerrainModule.cs
@@ -93,6 +93,9 @@ namespace OpenSim.Region.CoreModules.World.Terrain
         /// </summary>
         private string m_supportedFileExtensions = "";
 
+        //For terrain save-tile file extensions
+        private string m_supportFileExtensionsForTileSave = "";
+
         #region ICommandableModule Members
 
         public ICommander CommandInterface
@@ -148,11 +151,20 @@ namespace OpenSim.Region.CoreModules.World.Terrain
 
             // Generate user-readable extensions list
             string supportedFilesSeparator = "";
+            string supportedFilesSeparatorForTileSave = "";
 
+            m_supportFileExtensionsForTileSave = "";
             foreach (KeyValuePair<string, ITerrainLoader> loader in m_loaders)
             {
                 m_supportedFileExtensions += supportedFilesSeparator + loader.Key + " (" + loader.Value + ")";
                 supportedFilesSeparator = ", ";
+
+                //For terrain save-tile file extensions
+                if (loader.Value.SupportsTileSave() == true)
+                {
+                    m_supportFileExtensionsForTileSave += supportedFilesSeparatorForTileSave + loader.Key + " (" + loader.Value + ")";
+                    supportedFilesSeparatorForTileSave = ", ";
+                }
             }
         }
 
@@ -589,7 +601,7 @@ namespace OpenSim.Region.CoreModules.World.Terrain
             // this region is included in the tile request
             foreach (KeyValuePair<string, ITerrainLoader> loader in m_loaders)
             {
-                if (filename.EndsWith(loader.Key))
+                if (filename.EndsWith(loader.Key) && loader.Value.SupportsTileSave())
                 {
                     lock (m_scene)
                     {
@@ -610,7 +622,7 @@ namespace OpenSim.Region.CoreModules.World.Terrain
 
             MainConsole.Instance.OutputFormat(
                 "ERROR: Could not save terrain from {0} to {1}.  Valid file extensions are {2}",
-                m_scene.RegionInfo.RegionName, filename, m_supportedFileExtensions);
+                m_scene.RegionInfo.RegionName, filename, m_supportFileExtensionsForTileSave);
         }
 
         /// <summary>
@@ -1192,7 +1204,7 @@ namespace OpenSim.Region.CoreModules.World.Terrain
                 new Command("save-tile", CommandIntentions.COMMAND_HAZARDOUS, InterfaceSaveTileFile, "Saves the current heightmap to the larger file.");
             saveToTileCommand.AddArgument("filename",
                                             "The file you wish to save to, the file extension determines the loader to be used. Supported extensions include: " +
-                                            m_supportedFileExtensions, "String");
+                                            m_supportFileExtensionsForTileSave, "String");
             saveToTileCommand.AddArgument("file width", "The width of the file in tiles", "Integer");
             saveToTileCommand.AddArgument("file height", "The height of the file in tiles", "Integer");
             saveToTileCommand.AddArgument("minimum X tile", "The X region coordinate of the first section on the file",