This is really cool! I haven't followed your art at all before, so I don't know any context here, but I assume from your comments that its from a story?

Anyway, on to the critique.

I really like the composition of the piece as a whole. The eye focuses on the characters first, then wanders to the outside where you're trying to find hidden images (whether they're there or not) in the background. The color choices here are superb, and suggest a surreality, like it's a flashback, or a thought.

The only thing I see that's amiss here is the pose of the male character. As he's obviously walking, his line of motion seems a little to straight and stiff. His forefront leg is a little too inwardly curved for the step he's taking, and if the wolf behind him is tugging on his shirt, then that would also affect the line of motion. That's really the only thing that bugs me, but it doesn't make too big of a dent, really, considering that the rest of this pic is pretty awesome. Keep up the good work. Can't wait to see more from you.