Nice one Hood
As you've found, it's difficult to post tagged content when you're trying to describe it (rather than have it executed). Just as a tip you could do it like this
[flash=520,315]http://www.youtube.com/v/6s5oP2ihMuQ?hl=en_US&version=3[/flash]
i.e. put it in code tags (the hash button) and then it doesn't get translated. (if you get my drift)
Ian