Martin Grayson continues his great Silverlight 2 Samples: Dragging, docking, expanding panels series with the second part. Now, he is dealing with element docking. See the demo here.
Using Transform Matrices to Create 3D Looking Terrain - Mike Snows continues with the terrain tutorials. Demo is also available. Check also his tip How to Implement a Custom Mouse Cursor.
Mike Taulty had a Curious Incident of the MessageBox in the Silverlight App. So if you need MessageBox.Show() this is the place for you.
Dan Wahlin just updated his list of Silverlight articles from the past few months. A lot of interesting and good-to-know stuff, but better check by yourself.
Silverlight: Write and Win! contest just began, so now you have the chance to win some cool prizes. Write a cool article, make demo and you are in the game. More about it here.