What is going on? What is it you see that makes you say that? Using a visual stimulus can be motivating for students. When the prompt is not based on reading text, it may free students to think more about their inner story suggested by the image. Below are a variety of links–some are just images, while others also include prompt suggestions.
site with prompts/visual images This includes additional links; materials were designed by a NJ-based ed/tech organization
LAURA ALSO has a personal subscription to writinga-z.com. There are some visual prompts on the site that may be of interest. Please drop her an e-mail if you would like access to this account for a period of time.