http://www.holytaco.com/worst-homemade-star-wars-costumes (http://www.holytaco.com/worst-homemade-star-wars-costumes)
The author is a little harsh, I actually think a lot of them are really quite clever. Granted I would never wear any of them myself but, hey; it made these people happy. And isnt that what really counts?
Oh, and no that is not George Lucas walking behind those cardboard stormtroppers. A friend has informed me it is George Starkey (of Indianapolis I think he said?) he is a lookalike.