Got you both beat!
It's called DeezNutz, and it's a lotion/anti friction cream for your... nuts... in cycling shorts!
http://www.competitivecyclist.com/pr...094.330.1.html

Anyhow, I will probably just paint the tank black, but I really would like to have the extra cash and know how of plumbing a fuel cell and braided lines into the hatch and getting rid of that funky tank.