Or you could just give your video to Youtube and cut-paste the javascript snippet.
For me, the easiest way to publish video is Facebook.
Silverlight Streaming is a service that gives you 4 GB of FREE space for hosting your silverlight applications. Uploading a silverlight video for us on your blog consists of the following:
- Encoding the source with Silverlight Media Encoder
- Preparing the upload package
- Upload the video to Silverlight Streaming Service
- Modify the Blog Template
- Make the blog post
Source: when technology is a part of the whole!: Posting a Silverlight Streaming video on ur blog