And here is the PSD fresh from the oven, just for you ;)
Now, I know that it may be a little messy, but as usual, I named the most important layers to swap colors with names like "ENABLE THIS FOR FOX COLOR", and some of them are just "BROWN FUR"... It may seem tricky, but playing around with the proper layers, you'll get to the colors you want! xD
Here is your password:
Uxmc9AHB6xmzhFLDF2SgwSEoEPTQQjUfjNScU-JTYVU
And that should do it! Have fun! :D