This email was created by [your name] who thought you would be interested in the following Article:
"Play AVI files in Silverlight 4 using MediaElement and MediaStreamSource"
This code demostrates how to use Silverlight with OOB+elevated trust to play a local video (.avi).
CodeProject also contains hundreds of articles, free source code samples and applications to help in your day to day programming. Why not give it a try!