To kick things off, here are few thoughts I had.

Photo Essay - 3-5 photos of a common theme to tell a story

Hot / Cold

"Running with scissors" - a.k.a. taking a risk and breaking the rules

"Shooting Through" - inspired by Marko's Podcast 136 - Lube up your Old Filters | Photography.ca. Taking photos with something over the lens (vaseline/stockings/ plastic/ fly wire etc) or even shooting through a fence/ foliage etc