my vote is for a cow skull in the desert, in honor of larry the cow, and drobbins' desert origins
satan:
http://www.clker.com/cliparts/d/3/3/e/1314122176555699836Animal%20Skull.svg.med.png
open source:
http://openclipart.org/image/300px/svg_to_png/2994/valessiobrito_Cow_Skull.png