Funnily enough, just finished Raising Steam (a bittersweet experience given that it's the final non-Tiffany Discworld novel), which has some pretty cool, if visually under-described, goblins in it. Alas, I can't draw for toffee.
"The sign of a matured samurai is calmness, not skill. A samurai should therefore be neither pompous nor arrogant." ~Tsukahara Bokuden