i will take the GerU clan vid as example.
1. u need the Yotube link : http://www.youtube.com/watch?v=gMayr6weW3c
2. delete everything before the = so you just end up with : gMayr6weW3c
3. click on the "Tube" icon on the top of the posting screen : [YOUTUBE.][./YOUTUBE]
4. put the code u got from the link between it : [YOUTUBE.]gMayr6weW3c[./YOUTUBE]
(without the . )
5. enjoy :