ScrumPLoP Writer’s Workshop.
A very sketchy note of:
*[http://hillside.net/component/content/article/65-how-to-run-plop/235-how-to-hold-a-writers-workshop Hillside Group » How to Hold a Writer’s Workshop]; and
*[http://mummola.cs.tut.fi/~patterns/writers_workshop_cheatsheet.pdf Writer’s Workshop Cheat Sheet] (PDF).
Just let me know if you would like a sketch that’s a bit more polished, and I’ll draw one up.