I posted this site over on the general board this morning, thought I'd also put it over here for those that don't get to the general board very often...very interesting site, I found it over on the ADV board...
http://www.homemadetools.net/Ken here from HomemadeTools.net.
I know this thread is an old one, but thanks for the link!

To celebrate our 20,000th homemade tool, we made a new ebook featuring our top 50 homemade tools. You guys are welcome to it for free:
http://download.homemadetools.net/50MustReadTools.pdf