Skullkickers colours

Via the wonder of twitter, I saw a link from Jim Zub to some line art for his fun-to-read comic SkullKickers.

So I snagged the made-available [here] line art and spent some [very distracted] time doing this to it:

And in case you're wondering, oh yeah, I borked the booboojeebies out of this.
My light sources are wrong, my shading went off the rails.
This is not quality work. This makes me mad at myself. I need to do this again and do it right.

Here's my flats - no major issues with them, but I completely demolished the highlights, shadows, lighting, contours and depth.