To whet your appetite and keep your writing fingers limber, take a good look at the photo, or let a prompt settle in your mind. Set a timer for a reasonable amount of time, be that five, fifteen, or thirty minutes. Then start writing.
Imagine that Santa Claus is ready to retire from his annual duties. Write a story in which he interviews candidates to replace him who aren’t quite up to snuff.
Write about your favorite holiday movie when you were a child. Have you watched it lately? If so, how do you feel about it now?
Write an article or blog post with activities that children can do during their holiday break.