Skin & Ink - I'm using this magazine for my thesis. Absolutely wonderful work.

Prick - A totally free tattoo magazine with downloadable PDF's

International Tattoo Art- For those who want a broader perspective on tattoo

Tattoodles - Another online tattoo mag. Very easy to navagate.

Tattoo Magazine - The oldie, the goodie. Great magazine, not so great site.

Skin Art - These guys publish Tattoos for Women, Outlaw Biker and Tattoo Revue