First Foam Base

Just looking for some redlines/critique on my first foam base. I'm going for a wolf/fox type structure.

http://imgur.com/QKuoCTs,mfYYaVa,vQXLVaP,gGspPaX#2

http://i.imgur.com/s0kN92l.png (He doesn't have an official ref at the moment, but this shows his head/facial structure off pretty well. Also the expression.)