Silverlight Splash Page
Silverlight profiler for Silverlight
Can profile silverlight 2 & 3 apps as well, although you'll have to buy the commercial licence to be able to do so.
It's free version can be used on full and compact framework versions.
Context Sensitive History (SL4)
Setting up icons for a Silverlight OOB application
Using Silverlight Media Framework for simple playback
Weak Event Pattern
Simple Weak Event Listener for Silverlight
Simplified INotifyPropertyChanged Implementation with WeakReference Support and Typed Property Access API
Announcing VS2010 / .NET Framework 4 Release Candidate (RC)
16 hours ago