Hey Rex,
the Craig Fraser templates are about the only cool ones I've seen that you can get pre-made.
If you suck at drawing, you can find some good reference pics and stuff online, download the pic, size it accordingly and print it, then trace it with some transparent acetate or mylar and cut out your stencil with the X-acto or something.
Try hitting up a blueprint shop and see if they'll sell you a couple sheets of mylar.