CD Cover...

[DustyPorViva]

For note, your jaw looks as though it's being looked at from a front perspective, unlike the rest of the skull.

As for the image itself, ditch the black lines in the skull. They vary and look very pixelated against a bunch of obviously not pixeled art, and stand out too much. As for the fire, I don't care too much for it, but if that's what they want then I guess there's no point in me saying different.

[alarid0]

the high color painting style shading of the skull is having an ENORMOUS clash with the black line art that you still have included

take those out and you seem to be leaning towards galdors style
check out his work for some reference and tips