Folks interested in spiritual tattoos might want to check out a few of the following resources.

• "Skin is a Language," an exhibit now running at the Whitney Museum in New York.
  
• "Skin Deep," an exhibit currently touring the UK
  
• Spiritual Tattoo by John Rush (plus a number of other interesting books that show up on the linked Amazon page) and of course,
  
• The Christian Tattoo Association (which I'm reeeeeaaaallllyyyy glad I didn't know about back when I was 16!)