An overdub mash of Napoleon Dynamite dialogue unto ye olde Fat Albert
cartoons.

http://www.heavy.com/viral2/fatdynamite/

The Big Lebowski as performed by He-Man and the Masters Of The
Universe:

http://www.heavy.com/viral2/big_hebowski/

I have a video tape (how old fashioned!) of Apocolypse Now dialogue
over Winne the Pooh cartoons that's pretty damn hysterical. I really need to digitize it one of these days.