You can now "embed" YouTube and Google video directly into your posts!
Simply add the full URL of the video, including http, (for example:
http://www.youtube.com/watch?v=SCAvpxkIBIs ) and wrap either [YOUTUBE] or [GVIDEO] tags around it.
Here's a test video. Rick Wakeman - the famous keyboard player from "Yes" - improvising on the pipe organ in Lincoln Cathedral: