You are not right. Let's discuss it.
picture:
video:
v [video]http://www.youtube.com/watch?feature=player_detailpage&v=xu7CwcyuohA[/video]
youtube:
y [youtube]http://www.youtube.com/watch?feature=player_detailpage&v=xu7CwcyuohA[/youtube]
youtube code:
c [youtube]xu7CwcyuohA[/youtube]