we will be getting it fixed so all you have to do is copy the link but for know you will need to do this.
http://www.youtube.com/watch?v=foObrIXnibE
copy the video ID after the =
foObrIXnibE
and type [ youtube ][ /youtube ] without spaces with the video ID in between:
[youtube]foObrIXnibE[/youtube]