A Skull A Day
We’re digging this site… “I’m making a skull image every day for a year” (plus reader submissions!)… Skull-A-Day

And check out their killer t-shirt!… United Skull of America (Link tip via BoingBoing)

Previously:
Fully Tattooed “Skull”
Graffiti Skulls in Dumbo

Images via Skull-A-Day