if you like that then heres a couple others:
bothering snape.
http://www.youtube.com/watch?v=MtwLc8i2wNI
the vortex:
http://www.youtube.com/watch?v=Y18LUMkVt2Y
wizzard swears: note this is rated pg for boyish attitude lol.
http://www.youtube.com/watch?v=TqTHmzMk0Cw