These had to hurt. Ouch! The last one is pretty funny.
http://youtube.com/watch?v=fFU0SYjB34Y
http://youtube.com/watch?v=fFU0SYjB34Y
http://www.youtube.com/watch?v=fJqxCgm0_hw
http://www.youtube.com/watch?v=d5hMc1d1pcY
http://youtube.com/watch?v=fFU0SYjB34Y
http://youtube.com/watch?v=fFU0SYjB34Y
http://www.youtube.com/watch?v=fJqxCgm0_hw
http://www.youtube.com/watch?v=d5hMc1d1pcY