Very nice, hair blends with fire very well and Carver looks most realistic, which makes Coyote's physics-defying body all the more surreal. One gripe--Annie's hair is more pinkish-red than orangish-red.
I must echo the sentiments of the previous comments - this is just amazing!
I adore the details (especially the fire! Fire is difficult to render), and Coyote! I love how you decided to keep him "cartoony" (for the lack of a better word) - it just really adds to the creepiness level! Beautifully done!
It sounds like in your process image comments, that you have some reservations about your skills in rendering like this, so just thought I'd offer some thoughts. Hopefully they are somewhat useful.
I really enjoy the style in your comic and some of your drawing heavy works, and I think you have nice drawing skills and a unique style. It seems to me like your most successful digital work is when you let the drawings stand out and use flat colors and minimal shading. Trying to render like this completely muddles your drawings, which, for someone whose drawings are strong, is a big mistake I think, and believe me I have made the same myself.
To me this looked a lot more interesting when you still had her and other parts mostly as drawings. And imagining it as a finished piece that way is much more exciting. [link] When you have both subjects inked here it was really starting to be neat. The stylization in her hair and such were really starting to look very you and unique. Now that is all completely gone in lieu of less interesting rendering, save for coyote, which is the most eye pleasing part of the work I think.
Just for some comparison... [link] This stuff is looking awesome. Especially the grayscale on the right, they look great, totally pro! Perfect amount of rendering to bring out the drawing. And this simple wallpaper is still one of my favorites of yours: [link] the drawing style just stands out so well it looks fantastic. And the new piece you posted just now, with the color experimentation and such, really cool and already looks amazing.
Anyway hopefully some of that will prove helpful. It seems like you're aware of a lot of your other options given the experimentation you do, so I hope this isn't too redundant.