hmm, I don’t think the trees need work, i like the style this way. I do agree that the dragon (excellent modeling by the way) needs to be separated more from the background but I think picking a complete different base colour isn’t the solution because it wouldn’t be that believable since it’s more logical an animal has the colour of it’s surroundings (the way nature flows). I thought fixing the lighting, but that would destroy the mood. Maybe make the base colour dark green?
Oh and one thing: “dragons have wings and feet” sounds like a pretty strange suggestion. anyone ever seen one? Dragons are a fantasy creation and thus free to imagine how one likes. I strongly advice to keep it this way (especially the head) to keep it separated from the “normal” dragons.
One more thing is: why is the background whit? I would expect black…