A three way "filters-only" battle fought at the Were-Here forums. Their "Battle Dome" is an excellent place to find both competition and inspiration. Some truly talented artists working there.
 
I'm particularly proud of Volley 08. There's a haunting sadness to it that took me by surprise. (Even if it does look like the glowing-eyed robot from Scooby-Doo went out and got his MBA.)
 
(NOTE: "Crayolasmoker" substituted with "c_smoker" to preserve formatting.)

 volley 1 - serpentstar

 volley 2 - c_smoker

 volley 3 - icculus

 volley 4 - serpentstar

 volley 5 - c_smoker

 volley 6 - icculus

 volley 7 - serpentstar

 volley 8 - c_smoker

 volley 9 - icculus

 volley 10 - serpentstar

 volley 11 - c_smoker

 volley 12 - icculus