http://www.youtube.com/watch?v=bPO1uTtK3bM (http://www.youtube.com/watch?v=bPO1uTtK3bM)
This is the best one. Features people looking like complete goddamn dorks.
http://www.youtube.com/watch?v=hlgEY7ZX30I (http://www.youtube.com/watch?v=hlgEY7ZX30I)
The other one's a little more conventional.
The first video has been removed by the uploader. =(