diff --git a/Caching/FileDbCache/Properties/AssemblyInfo.cs b/Caching/FileDbCache/Properties/AssemblyInfo.cs
index 2c5680ae..1ccc79f5 100644
--- a/Caching/FileDbCache/Properties/AssemblyInfo.cs
+++ b/Caching/FileDbCache/Properties/AssemblyInfo.cs
@@ -8,8 +8,8 @@ using System.Runtime.InteropServices;
 [assembly: AssemblyCompany("Clemens Fischer")]
 [assembly: AssemblyCopyright("Copyright © Clemens Fischer 2012-2013")]
 [assembly: AssemblyTrademark("")]
-[assembly: AssemblyVersion("1.3.7")]
-[assembly: AssemblyFileVersion("1.3.7")]
+[assembly: AssemblyVersion("1.3.8")]
+[assembly: AssemblyFileVersion("1.3.8")]
 [assembly: AssemblyConfiguration("")]
 [assembly: AssemblyCulture("")]
 [assembly: ComVisible(false)]
diff --git a/Caching/ImageFileCache/Properties/AssemblyInfo.cs b/Caching/ImageFileCache/Properties/AssemblyInfo.cs
index ac1ea419..0374992d 100644
--- a/Caching/ImageFileCache/Properties/AssemblyInfo.cs
+++ b/Caching/ImageFileCache/Properties/AssemblyInfo.cs
@@ -8,8 +8,8 @@ using System.Runtime.InteropServices;
 [assembly: AssemblyCompany("Clemens Fischer")]
 [assembly: AssemblyCopyright("Copyright © Clemens Fischer 2012-2013")]
 [assembly: AssemblyTrademark("")]
-[assembly: AssemblyVersion("1.3.7")]
-[assembly: AssemblyFileVersion("1.3.7")]
+[assembly: AssemblyVersion("1.3.8")]
+[assembly: AssemblyFileVersion("1.3.8")]
 [assembly: AssemblyConfiguration("")]
 [assembly: AssemblyCulture("")]
 [assembly: ComVisible(false)]
diff --git a/MapControl/Properties/AssemblyInfo.cs b/MapControl/Properties/AssemblyInfo.cs
index d9692892..5a98f0f5 100644
--- a/MapControl/Properties/AssemblyInfo.cs
+++ b/MapControl/Properties/AssemblyInfo.cs
@@ -15,8 +15,8 @@ using System.Windows;
 [assembly: AssemblyCompany("Clemens Fischer")]
 [assembly: AssemblyCopyright("Copyright © Clemens Fischer 2012-2013")]
 [assembly: AssemblyTrademark("")]
-[assembly: AssemblyVersion("1.3.7")]
-[assembly: AssemblyFileVersion("1.3.7")]
+[assembly: AssemblyVersion("1.3.8")]
+[assembly: AssemblyFileVersion("1.3.8")]
 [assembly: AssemblyConfiguration("")]
 [assembly: AssemblyCulture("")]
 [assembly: ComVisible(false)]
diff --git a/MapControl/TileImageLoader.WPF.cs b/MapControl/TileImageLoader.WPF.cs
index 08d98d38..013d6a44 100644
--- a/MapControl/TileImageLoader.WPF.cs
+++ b/MapControl/TileImageLoader.WPF.cs
@@ -91,13 +91,14 @@ namespace MapControl
         {
             var newTiles = (List<Tile>)newTilesList;
             var imageTileSource = tileLayer.TileSource as ImageTileSource;
+            var animateOpacity = tileLayer.AnimateTileOpacity;
 
             if (imageTileSource != null && !imageTileSource.CanLoadAsync)
             {
                 foreach (var tile in newTiles)
                 {
                     tileLayer.Dispatcher.BeginInvoke(
-                        (Action<Tile, ImageTileSource>)((t, ts) => t.SetImageSource(ts.LoadImage(t.XIndex, t.Y, t.ZoomLevel), true)),
+                        (Action<Tile, ImageTileSource>)((t, ts) => t.SetImageSource(ts.LoadImage(t.XIndex, t.Y, t.ZoomLevel), animateOpacity)),
                         DispatcherPriority.Background, tile, imageTileSource);
                 }
             }
@@ -118,7 +119,7 @@ namespace MapControl
                         if (image != null)
                         {
                             tileLayer.Dispatcher.BeginInvoke(
-                                (Action<Tile, ImageSource>)((t, i) => t.SetImageSource(i, true)),
+                                (Action<Tile, ImageSource>)((t, i) => t.SetImageSource(i, animateOpacity)),
                                 DispatcherPriority.Background, tile, image);
 
                             long creationTime = BitConverter.ToInt64(buffer, 0);
@@ -147,14 +148,13 @@ namespace MapControl
                 {
                     Interlocked.Increment(ref downloadThreadCount);
 
-                    ThreadPool.QueueUserWorkItem(LoadTiles, imageTileSource);
+                    ThreadPool.QueueUserWorkItem(o => LoadTiles(imageTileSource, animateOpacity));
                 }
             }
         }
 
-        private void LoadTiles(object tileSource)
+        private void LoadTiles(ImageTileSource imageTileSource, bool animateOpacity)
         {
-            var imageTileSource = (ImageTileSource)tileSource;
             Tile tile;
 
             while (pendingTiles.TryDequeue(out tile))
@@ -194,7 +194,7 @@ namespace MapControl
                 if (image != null)
                 {
                     tileLayer.Dispatcher.BeginInvoke(
-                        (Action<Tile, ImageSource>)((t, i) => t.SetImageSource(i, true)),
+                        (Action<Tile, ImageSource>)((t, i) => t.SetImageSource(i, animateOpacity)),
                         DispatcherPriority.Background, tile, image);
 
                     if (buffer != null && Cache != null)
diff --git a/MapControl/TileLayer.cs b/MapControl/TileLayer.cs
index d923db5a..8d9e120d 100644
--- a/MapControl/TileLayer.cs
+++ b/MapControl/TileLayer.cs
@@ -53,6 +53,7 @@ namespace MapControl
             MaxZoomLevel = 18;
             MaxParallelDownloads = 8;
             LoadLowerZoomLevels = true;
+            AnimateTileOpacity = true;
             Initialize();
         }
 
@@ -64,6 +65,7 @@ namespace MapControl
         public int MaxZoomLevel { get; set; }
         public int MaxParallelDownloads { get; set; }
         public bool LoadLowerZoomLevels { get; set; }
+        public bool AnimateTileOpacity { get; set; }
         public Brush Foreground { get; set; }
 
         public string Description
diff --git a/MapControl/TileSource.cs b/MapControl/TileSource.cs
index 2a62b1ce..a6ff4a41 100644
--- a/MapControl/TileSource.cs
+++ b/MapControl/TileSource.cs
@@ -27,17 +27,16 @@ namespace MapControl
 
         public TileSource()
         {
+            MetersPerDegree = EarthRadius * Math.PI / 180d;
         }
 
         public TileSource(string uriFormat)
+            : this()
         {
             UriFormat = uriFormat;
         }
 
-        public virtual double MetersPerDegree
-        {
-            get { return EarthRadius * Math.PI / 180d; }
-        }
+        public double MetersPerDegree { get; protected set; }
 
         public string UriFormat
         {
diff --git a/MapControl/WinRT/Properties/AssemblyInfo.cs b/MapControl/WinRT/Properties/AssemblyInfo.cs
index 2e9aa00c..ce652f87 100644
--- a/MapControl/WinRT/Properties/AssemblyInfo.cs
+++ b/MapControl/WinRT/Properties/AssemblyInfo.cs
@@ -8,8 +8,8 @@ using System.Runtime.InteropServices;
 [assembly: AssemblyCompany("Clemens Fischer")]
 [assembly: AssemblyCopyright("Copyright © Clemens Fischer 2012-2013")]
 [assembly: AssemblyTrademark("")]
-[assembly: AssemblyVersion("1.3.7")]
-[assembly: AssemblyFileVersion("1.3.7")]
+[assembly: AssemblyVersion("1.3.8")]
+[assembly: AssemblyFileVersion("1.3.8")]
 [assembly: AssemblyConfiguration("")]
 [assembly: AssemblyCulture("")]
 [assembly: ComVisible(false)]
diff --git a/MapControl/WinRT/Themes/Generic.xaml b/MapControl/WinRT/Themes/Generic.xaml
index 99f00547..84a5361e 100644
--- a/MapControl/WinRT/Themes/Generic.xaml
+++ b/MapControl/WinRT/Themes/Generic.xaml
@@ -1,5 +1,5 @@
-<ResourceDictionary	xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" 
-	                xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+<ResourceDictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" 
+                    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
                     xmlns:map="using:MapControl">
     <Style TargetType="map:MapItemsControl">
         <Setter Property="Template">
diff --git a/SampleApps/SilverlightApplication.Web/Properties/AssemblyInfo.cs b/SampleApps/SilverlightApplication.Web/Properties/AssemblyInfo.cs
index 37266417..39c9fc96 100644
--- a/SampleApps/SilverlightApplication.Web/Properties/AssemblyInfo.cs
+++ b/SampleApps/SilverlightApplication.Web/Properties/AssemblyInfo.cs
@@ -8,8 +8,8 @@ using System.Runtime.InteropServices;
 [assembly: AssemblyCompany("Clemens Fischer")]
 [assembly: AssemblyCopyright("Copyright © Clemens Fischer 2012-2013")]
 [assembly: AssemblyTrademark("")]
-[assembly: AssemblyVersion("1.3.7")]
-[assembly: AssemblyFileVersion("1.3.7")]
+[assembly: AssemblyVersion("1.3.8")]
+[assembly: AssemblyFileVersion("1.3.8")]
 [assembly: AssemblyConfiguration("")]
 [assembly: AssemblyCulture("")]
 [assembly: ComVisible(false)]
diff --git a/SampleApps/SilverlightApplication/Properties/AssemblyInfo.cs b/SampleApps/SilverlightApplication/Properties/AssemblyInfo.cs
index ef50e043..5fb9f6bb 100644
--- a/SampleApps/SilverlightApplication/Properties/AssemblyInfo.cs
+++ b/SampleApps/SilverlightApplication/Properties/AssemblyInfo.cs
@@ -8,8 +8,8 @@ using System.Runtime.InteropServices;
 [assembly: AssemblyCompany("Clemens Fischer")]
 [assembly: AssemblyCopyright("Copyright © Clemens Fischer 2012-2013")]
 [assembly: AssemblyTrademark("")]
-[assembly: AssemblyVersion("1.3.7")]
-[assembly: AssemblyFileVersion("1.3.7")]
+[assembly: AssemblyVersion("1.3.8")]
+[assembly: AssemblyFileVersion("1.3.8")]
 [assembly: AssemblyConfiguration("")]
 [assembly: AssemblyCulture("")]
 [assembly: ComVisible(false)]
diff --git a/SampleApps/StoreApplication/Properties/AssemblyInfo.cs b/SampleApps/StoreApplication/Properties/AssemblyInfo.cs
index 838c148c..14b18726 100644
--- a/SampleApps/StoreApplication/Properties/AssemblyInfo.cs
+++ b/SampleApps/StoreApplication/Properties/AssemblyInfo.cs
@@ -8,8 +8,8 @@ using System.Runtime.InteropServices;
 [assembly: AssemblyCompany("Clemens Fischer")]
 [assembly: AssemblyCopyright("Copyright © Clemens Fischer 2012-2013")]
 [assembly: AssemblyTrademark("")]
-[assembly: AssemblyVersion("1.3.7")]
-[assembly: AssemblyFileVersion("1.3.7")]
+[assembly: AssemblyVersion("1.3.8")]
+[assembly: AssemblyFileVersion("1.3.8")]
 [assembly: AssemblyConfiguration("")]
 [assembly: AssemblyCulture("")]
 [assembly: ComVisible(false)]
diff --git a/SampleApps/SurfaceApplication/Properties/AssemblyInfo.cs b/SampleApps/SurfaceApplication/Properties/AssemblyInfo.cs
index f9e086ba..b2fdb0bc 100644
--- a/SampleApps/SurfaceApplication/Properties/AssemblyInfo.cs
+++ b/SampleApps/SurfaceApplication/Properties/AssemblyInfo.cs
@@ -8,8 +8,8 @@ using System.Runtime.InteropServices;
 [assembly: AssemblyCompany("Clemens Fischer")]
 [assembly: AssemblyCopyright("Copyright © Clemens Fischer 2012-2013")]
 [assembly: AssemblyTrademark("")]
-[assembly: AssemblyVersion("1.3.7")]
-[assembly: AssemblyFileVersion("1.3.7")]
+[assembly: AssemblyVersion("1.3.8")]
+[assembly: AssemblyFileVersion("1.3.8")]
 [assembly: AssemblyConfiguration("")]
 [assembly: AssemblyCulture("")]
 [assembly: ComVisible(false)]
diff --git a/SampleApps/WpfApplication/Properties/AssemblyInfo.cs b/SampleApps/WpfApplication/Properties/AssemblyInfo.cs
index 0ce6031c..cc033b49 100644
--- a/SampleApps/WpfApplication/Properties/AssemblyInfo.cs
+++ b/SampleApps/WpfApplication/Properties/AssemblyInfo.cs
@@ -8,8 +8,8 @@ using System.Runtime.InteropServices;
 [assembly: AssemblyCompany("Clemens Fischer")]
 [assembly: AssemblyCopyright("Copyright © Clemens Fischer 2012-2013")]
 [assembly: AssemblyTrademark("")]
-[assembly: AssemblyVersion("1.3.7")]
-[assembly: AssemblyFileVersion("1.3.7")]
+[assembly: AssemblyVersion("1.3.8")]
+[assembly: AssemblyFileVersion("1.3.8")]
 [assembly: AssemblyConfiguration("")]
 [assembly: AssemblyCulture("")]
 [assembly: ComVisible(false)]