Btw, this is a work in progress, I will hopefully add more tutorials soon, maybe once I've moved into my new house...
(the pic below was a request for Badxwolf on DeviantArt, and I realize the pic it tilted to the right, his left, it was a mistake...)
Step 1: Digitigrade Legs Tutorial
The original tutorial is here: http://wizerd745.deviantart.com/art/Digitigrade-Legs-Tutorial-142755991
Need help? Ask away!