Porn battle, whooohoooo
Posting is here (LJ) or, if your piece is longer than 700 words, here (DW). DreamWidth has openid, so as long as you have an LJ, you're set. You can even have icons. Prompts are here.
Kitty and Pete are under the Marvel section (this year, all DC/Marvel stuff was lumped into DCU or Marvel, so.)
Go forth. Bring us porns.