Here are some nice bike fails.
http://failblog.files.wordpress.com/2008/08/fail-owned-bike-fail.jpg
http://failblog.files.wordpress.com/2008/06/fail-bike-umbrella.jpg
http://failblog.files.wordpress.com/2008/03/epicbikefail.jpg?w=500
http://failblog.files.wordpress.com/2008/04/bikewheel.jpg?w=500
http://failblog.files.wordpress.com/2008/03/bicycle.jpg