We have added a bunch of new body templates to the Exercise Images archive. Head to that link and click on any thumbnail to load the full size image which you can download and either print and draw on, or bring it into Photoshop or another image editing program to design on with a Cintiq or tablet.
There are a number of arms, legs, hands, heads and backs available for both male and females. Check 'em out and post any designs you come up with to the forum for critique!
You'll also find some muscle arm templates to help in designing tattoos that contour more closely to the body's anatomy and internal musculature.