diff --git a/port/Assimp.NET/Assimp.NET_DEMO/AssimpView.cs b/port/Assimp.NET/Assimp.NET_DEMO/AssimpView.cs
index 52eb22285..bff7e9574 100644
--- a/port/Assimp.NET/Assimp.NET_DEMO/AssimpView.cs
+++ b/port/Assimp.NET/Assimp.NET_DEMO/AssimpView.cs
@@ -183,16 +183,29 @@ namespace Assimp.Viewer
                 aiPostProcessSteps.aiProcess_SortByPType | // make 'clean' meshes which consist of a single typ of primitives
                 (aiPostProcessSteps)0);
 
+            // default model
+            var path = "../../../../../../test/models/3DS/test1.3ds";
+
             importer = new Importer();
-            var path = "../../../../../../test/models/3DS/jeep1.3ds";
+            string[] args = Environment.GetCommandLineArgs();
+            if (args.Length > 1) {
+                path = args[1];
+            }
+
+            
             //var path = "man.3ds";
             scene = importer.ReadFile(path, flags);
-            if (scene != null) {
+            if (scene != null)
+            {
                 directory = Path.GetDirectoryName(path);
                 CacheMaterials(scene.mMaterials);
                 CacheMeshes(scene.mMeshes);
                 SetupCamera(scene.mCameras);
             }
+            else {
+                MessageBox.Show("Failed to open file: " + path + ". Either Assimp screwed up or the path is not valid.");
+                Application.Exit();
+            }
         }
 
         private void CacheMeshes(aiMeshVector meshes) {
diff --git a/port/Assimp.NET/CSharpViewerScreenShot.PNG b/port/Assimp.NET/CSharpViewerScreenShot.PNG
new file mode 100644
index 000000000..a6a2b8f53
Binary files /dev/null and b/port/Assimp.NET/CSharpViewerScreenShot.PNG differ
diff --git a/port/Assimp.NET/README.txt b/port/Assimp.NET/README.txt
index 288215609..19bae442e 100644
--- a/port/Assimp.NET/README.txt
+++ b/port/Assimp.NET/README.txt
@@ -8,6 +8,10 @@ NOTE: This has only been tested on 32-bit Windows 7 in .NET 3.5SP1 compiled
       under Visual Studio 2008 with the 'Debug' and 'Release' targets.
 
 
+The Viewer is very minimalistic, don't expect all files to be displayed 
+properly. Feel free to extend it ;-)
+
+
 How To Build
 ------------