(In case newcomers haven't seen these before):
http://www.youtube.com/watch?v=l5kzi05-XKc" onclick="window.open(this.href);return false;

There's also DBTW and Mansize:
http://www.youtube.com/watch?v=HcG2GeNRLag" onclick="window.open(this.href);return false;
http://www.youtube.com/watch?v=HVdegY9iim4" onclick="window.open(this.href);return false;

These weren't allowed up on YT for a while, but apparently Universal doesn't care now.

"This chicks mouth is crooked"