Rules:
-This will be a 1 vs 1
-This will be a tennis style battle
-10 rounds alternating
-Something from the previous round must be kept
-size = 400 x 600

For anyone that doesn't know a tennis match goes like this.

First artist posts and image...then second artist takes that image and makes an image keeping something from it. This goes on until all rounds are used up.

now..who's interested?