Ed,
Here's cheech's excellent Grumpy Frumpy vid, too
If you're looking for a Humpy tutorial, Charlie Craven's Improved version is the best I've ever seen (huge surprise); takes all the guesswork out and makes tying them almost (I said almost) fun.
http://www.charliesflyboxinc.com/fly...m?parentID=143
Regards,
Scott