Porn Battle X (10 Big Ones) hosted by Oxoniensis at Dreamwidth.
Link goes to prompts page. Prompts are open until July 16, with posting from July 19-26! Go on, you know you want to. ;-D
And you know, if you come up with something you REALLY LIKE and want to repost it to omni_fiction, I don't think the mods there would object.