My brother got my bug up his bum and decided he wanted a tattoo too. He's more artistically inclined than I am, however, and decided to draw one himself and have me photoshop it a bit. Here's some of the results:
Here's a link to the original scan: http://spartan1078.deviantart.com/art/Irish-Singing-Skeleton-B-W-80020120
I think there's too much shading on the last one-- you can blame Jack. He was like. SHADE MORE! MORE! MORE!
... actually I don't think it needs any shading ;)