Sounds like using a minimum of post-processing is the ultimate goal for this challenge, then. I'm still game - even shooting RAW, it'll still make me think about the shot without the computer in mind.
Perhaps, for a future - or concurrent - challenge, we can take an opposite approach: take an otherwise
awful (or otherwise unremarkable) shot and make it look as good as possible, posting before-and-after comparisons. That'll give the Photoshop junkies their day in the spotlight.