diff --git a/README.md b/README.md
index 63b0731..1b48ada 100644
--- a/README.md
+++ b/README.md
@@ -4,8 +4,6 @@
[](https://www.nuget.org/)

[](http://opensource.org/licenses/MIT)
-
-*Forge API*:
[](http://developer-autodesk.github.io/)
[](http://developer-autodesk.github.io/)
[](http://developer-autodesk.github.io/)
@@ -100,6 +98,7 @@ A typical workflow is:
Right-Click on the file item, and select either 'View in Browser' or 'View'
+
## License
This sample is licensed under the terms of the [MIT License](http://opensource.org/licenses/MIT).
@@ -112,3 +111,6 @@ Cyrille Fauvel
Forge Partner Development
http://developer.autodesk.com/
http://around-the-corner.typepad.com
+
+### Thumbnail
+
diff --git a/forge.wpf.csharp/Images/thumbnail_default.png b/forge.wpf.csharp/Images/thumbnail_default.png
new file mode 100644
index 0000000..1f15139
Binary files /dev/null and b/forge.wpf.csharp/Images/thumbnail_default.png differ