UK viewers will get a bit more out of this, but it's a very good laugh to anyone due to the sheer lunacy of it.
http://www.youtube.com/watch?v=0TrSNQQUxQM&feature=related
http://www.youtube.com/watch?v=l8CEzILvtg8&feature=related
http://www.youtube.com/watch?v=86Fpd5HibiQ&feature=related
http://www.youtube.com/watch?v=uoxcZiWK79c&feature=related
There are a few others around but i'll let you look for them.