Put this in your C:\Program Files (x86)\Steam\steamapps\[YOUR STEAM NAME]\team fortress 2 folder. 
Make sure you merge all the fodlers together to avoid overwriting any skins you may already have installed.

Retexturing: Jofiah Sniker (Me, myself, I, the one and only.)
Model and animations and stuff: Made by Valve, I take no ownership of their work.
Please do not redistribute to other websites or edit this yourself without my explicit permission.

Enjoy!

-UPDATE-

Now includes bacpack icons! Yay! :D