Back to the Tattoo'ing Board

My cousin sent me a link to the most awesome pic of a tattoo. It was a full back one with a raven in a tree and celtic knotwork.
I couldn't resist and I had to pixel it. I don't recall how long the tattoo took in all... but the shading took forever at least.

Base by [link]
Ye Olde MsPaint


This is a link to the tattoo pic I had:
[link]

And this is a link to the gallery:
[link]