If you've ever been curious about how to get started using the Silverlight Streaming to host your video content - check out this add-in download for Expression Encoder that will automatically publish your encoded videos to the (FREE) Silverlight Streaming service:

http://www.microsoft.com/downloads/details.aspx?FamilyID=382a3306-b212-4df3-af86-5d48be550b94&displaylang=en

If you've ever done this process manually, this is absolutely the best thing since sliced bread to enable you to quickly and painlessly publish to the Silverlight Streaming Service....

Here's what you need to get started:

Additional Resources: