More to explore:
31 writing prompts for september
31 September Writing Prompts
september writing prompts44
This Week's Writing Prompts 03.10
A Folly of Human Conceit | Distant Romances
Writing Prompts for Writing with Imagery. You could also use cards from the game Taboo and have the students describe the word/concept without using any of the "Taboo" words.
100 Roleplay Scenarios! (list 1 of 4) — pic only (source "shawarmababy" has taken down site)