An example of a Silverlight 4 View Model Style video player that is not just 'skinable' but fully 'designable'.
by Jawahar Suresh Babu
The article describes how to implement Rubberband behavior for WPF Listbox. Also it describes how to add the behavior using Expression Blend.
by Kunal Chowdhury «IN»
Customized Scrolling in Silverlight using Expression Blend
by Andrew Rissing
A tip to overcome limitations in Blend 3 and Blend 4 RC when dealing with attached dependency properties.