You can embedd (add) videos directly in posts, so people can watch them without going to the link.
You can embedd videos from:
Google (http://video.google.com/)
Youtube (http://www.youtube.com/)
vSocial (http://www.vsocial.com/)
iFilm (http://www.ifilm.com/)
MetaCafe (http://www.metacafe.com/)
DailyMotion (http://www.dailymotion.com/)
CurrentTV (http://www.current.tv/)
Vimeo (http://www.vimeo.com/)
Sharkle (http://www.sharkle.com/)
FreeVideoBlog (http://video.freevideoblog.com/)
MyVideoDe (http://www.myvideo.de/)

More Comming Soon.

To embedd video, Put the media tag around it's link by clicking on .

For Example, you want to embedd this video:
http://www.youtube.com/watch?v=ww9-Y0BIH2c

Then select the link with mouse and click on .

It should be like this when you are posting it:
and will be played like this:
[media]http://www.youtube.com/watch?v=ww9-Y0BIH2c[/media]
Enjoy