Then I shall continue throwing ideas at you immediately as I think of them! Clearly I am in that sort of mood. ^^
Maybe people submit generic prompts? Like, a short summary with any identifying details removed.
"A employs B to track down something that was stolen from them. After an ordeal, B acquires is, but refuses to return it until A ups the price. A pays with sex."
...or something?
and it's kinda cool because the genders can go either way