Skin Rendering: Work in Progress

After my last post, I was like hey, it's winter break - why don't I do skin rendering now. I've decided to post my current progress. Still needs a lot of work, but it isn't too terrible:

Unity's giving me a lot of grief with texture-space diffusion and linear space lighting calculations. But hopefully things will only improve from here! I have a feeling this might become one of my longterm goof around projects like Bioshock Pinball was.