There are two guides in the FAQ section:
Zandor's - http://boards.cannabis.com/showthread.php?t=59042

and Mellow Man's - http://boards.cannabis.com/showthread.php?t=38520

It isn't a guide, but there are a couple pictures of my variation on MM's design in this thread: http://boards.cannabis.com/showthread.php?t=83760