Daxx, Ice is correct mate there is no need to add tags anymore just post the page URL the clip is on...

in this case....

Code:
http://www.youtube.com/watch?v=kPT6E_ouBnM
and the forum sorts the embad out automatically like this...

http://www.youtube.com/watch?v=kPT6E_ouBnM

this also works with.....

YouTube (Standard & Playlists)
> Global | Brasil | France | Ireland | Italia | Japan | Nederland | Polska | Espaņa | United Kingdom
> Australia | Hong Kong | Mexico | New Zealand
- Google Video
> Global(.com) | Australia(.com.au) | United Kingdom(.co.uk) | Deutsch(.de) | Espaņa(.es)
> France(.fr) | Italia(.it) | Nederland(.nl) | Polska(.pl) | Canada(.ca)
- MetaCafe
- MySpaceTv
- Stage6 *(Requires Installation of Dixv Plugin)
- Veoh
- Gametrailers
- LiveLeak
- CellFish
- MyVideo.de
- ClipFish.de
- Liberio.it
- 123video.nl
- VSocial
- IFilm
- Sevenload
- Revver
- BrightCove
- Aniboom
- Vimeo
- Guba
- Glumbert
- Tudou
- dv.ouou
- Biku
- GameVideos

Just add [noembed] [/noembed] to prevent links being converted to embedded clips automatically

Pretty cool new feature