Nevertheless, the scripts they've turned in are great, honest, funny, and creative work. Waaay more fun to grade, as well!
My colleague, Alex Mudd, and I will be presenting more on this topic at this spring's LOEX conference in Nashville. We should also have a short description of the exercise published in the upcoming Embedded Librarian’s Cookbook from ACRL press. I'm happy to share details with anyone who is interested. Please use the contact form on my homepage.