the forums are weird.. not sure what is up with our forums because other forums using the same Forum software don't have this problem.. anyways..

use the youtube tag button when posting... then say the youtube link is http://www.youtube.com/watch?v=HyNKXZB3_Kw..... take the HyNKXZB3_Kw portion of the link and drop it in the youtube tags and u get..

[YOUTUBE]HyNKXZB3_Kw[/YOUTUBE]

so to reiterate, the portion of the link that appears after the "v=" portion of the link and it will work.. may be an other way but this is what they told us to do back when they added the youtube button