Working on painting piece.

Here's what I have so far for the piece I'm doing on canvas - I've gotten some critique for improvements:

"The back legs are actually okay, just bring the one on the right out to the right some. The wings though, think of wings like human arms: there is a shoulder joint, an elbow joint and a wrist joint, and they don't come out as one line."

" I would suggest that you add more perceptive to it and work on realism (but I'm assuming you're going to work on that on Photoshop, eh?)
You could always look up Neondragon's artwork. She's amazing--and she has a few tuts on her website on drawing fantasy creatures and etc."

(I told her that the piece is on canvas and I'm not using Photoshop, and am waiting for more feedback.)

I have a book on dragons which actually has a realistic bone/muscle structure in so I'm going to use that as a reference to work on the wings. I've also looked at the anatomy of bird wings and other animals:

I've taken a look at Neondragon's work on her DeviantART:

Their work is really inspiring - I love the detail put into her work, as well as the colours. I've also had a look at her tutorials and they're really useful.