This is the art work pack I had originally made for BTex. Of which BTex has not been updated and I switched to kgPanels. Its basically the same art pack, just packaged different.
Get Grunge Art here
Get Orc Art here
Get Dwarf Art here
Download this and install it somewhere in your Interface folder. I put mine into the open Interface folder for simplicity.
You can check out the tutorial I wrote or check out the video links at the bottom of my post if you want to know how to set this up from scratch.