Simpson theme
http://www.youtube.com/watch?v=GFqTd-CEjHM&feature=related
Tetris theme
http://www.youtube.com/watch?v=b8GAh24-K4U&feature=related
Super Marios theme
http://www.youtube.com/watch?v=aZpD0btOZx8&feature=related

all 3 are 100% safe for work

awesome!