yeah, just look under "octave tapping" in the search box on the home page.
I've got a whole section in there. (use the quotes when you type it in the search box.)
Or go through the whole tutorial.. there's about 50 pages of stuff.

http://www.guitartricks.com/2000/trick.php?trick_id=1873&s_id=13
http://www.guitartricks.com/2000/trick.php?trick_id=1961&s_id=15
http://www.guitartricks.com/2000/trick.php?trick_id=2059&s_id=16
http://www.guitartricks.com/2000/trick.php?trick_id=2484&s_id=21