Like the general lighting and the skull shadowing a lot - gives it a great mood :) The only thing that strikes me as a bit odd is the pose of the angel/demon thing in the middle but then again, its a sketch. Speaking of dark and moody, some of the things here are an inspiration - Fantus, Charco and especially Solomon's dark and hungry monster :)
Here's another WIP - I should be sleeping right now but I really can't let it go, so here it is:
EDIT - Damn, ppl post fast here :) The comment was on Radio's piece... And while I was writing this, two new WiPs show up... niiiiice :D
Pretty pictures - quite a superficial goal in life, huh? Too bad, I guess...