Couldn't find the bike crash one mate, but did find these:
Amazing what having a webcam, radio controled car, teddy bear and too much time on your hands will do
http://devilbod.co.uk/docs/Flash/media_movies.htm
And if you ever wondered what a real bike sounds like
http://devilbod.co.uk/docs/Flash/media_sounds.htm
<Edit> XTR I have found the Fletch, Teddy and Monkey ones....