io9 has a regular feature they call Concept Art Writing Prompts. They post a piece of art and invite readers to submit stories based upon the illustration. I've started writing short—often aiming for very, very short—stories as a warm-up to my real writing. This one was based on a piece byEvan Campbell.
The Last Supper
That was the very last time Aunt Myrna was allowed to cook Thanksgiving dinner.