Just stumbled across this site. Pretty cool for those who have trouble visualizing how certain knots should be tied.

Animated Knots

One really interesting one here is the one-handed bowline under the "Climbing" section.

thanks, cool site <img src="/images/graemlins/cool.gif" alt="" />

They used to teach that in the Boy Scouts a jilion years ago, after you learned that rabbit/tree/hole thing...