Jaws is the best, but most of them are great.
Yes, www.BrickGun.com sells kits on how to make realistic looking weapons out of LEGOs.
Simpson's intro, LEGO style.
I know I know. This blog seems to be turning into a lego love zone. But I was searching for some A-team vids and it came up. And dammit if it aint well done!
I know it is already posted around everywhere, but I really love the lego re-creations of famous photographs. Here is one of my favorites, the recreation of Henri Cartier Bresson's "Behind the Gare Saint Lazare."
Lego version of We Will Rock You by Queen. 'Nuff Said.