You know the actors in that pic are saying what in the world am I doing here? :lol
I just went through this thread again to double check, but I don't think anyone has mentioned a particular stormtrooper with bit of a dental problem.
http://imageshack.us/photo/my-images/196/4240887648b702ae4bcbo.jpg/
http://imageshack.us/photo/my-images/408/42408807884ce8f70559o.jpg/