As an answer to your question i made that model 2 years ago, and i've had it on my webpage for about a year and a half now. I put it up after i did a higherpoly spiderman based on the movie, for a q3 mod (again about a year and a half ago).
here is the higherpoly spiderman:
Before anyone asks, neither of these models are for compiling or release into esf (or any other mod)
The sdk is there for skinning practice though!
Nice work on your skin so far. Looks a little saturated though.
Play with midtone highlights as well as regular highlights