The body's nice. The spikes seem a little flat, though. Take a look at kentrosaurus for ideas: http://palaeo.gly.bris.ac.uk/dinobase/picturesJR/Kentrosaurus.gif

The wings need a lot of...

So I've got this character: http://www.tahlen.com/cimages/movie/subjEx.jpg

I'm using Mental Ray to render him to get the black outline. I'm also cheating on his eyes by projecting the texture on...