I don't really consider myself an artist but here's something I made on a whim.
I'm in an RPG game which I play with my friends over IRC called Rogue Trader, which uses the Warhammer 40,000 setting (If you don't know what that is think... Catholic Nazi Space Pirates and you're about half way there).
It was made in response to an event in the last session where some evil tech-priests who were trying to steal our ship started hijacking our comms and broadcasting this evil brain-melting whispering across the entire ship, making many of the crew go crazy.

Pretty pleased with how it turned out.