Interesting competition:

http://www.youtube.com/watch?v=Z_MQ4...el_video_title

http://www.youtube.com/watch?v=PhhEy...el_video_title

http://www.youtube.com/watch?v=dGBB7...el_video_title

http://www.youtube.com/watch?v=2CbdH...el_video_title

http://www.youtube.com/watch?v=L5XpJ...el_video_title

http://www.youtube.com/watch?v=76Akz...el_video_title

http://www.youtube.com/watch?v=Ej4a2...el_video_title

http://www.youtube.com/user/willsand.../3/jvRiZ45_yNI

http://www.youtube.com/user/willsand.../2/5LB9kE34n4Y