Author Ralph Fletcher has this great page for getting started, including ideas about keeping a writer’s notebook!
Julia Cameron advocates Morning Pages (in The Artist’s Way), as a way to clear your mind to get ready for the day (and the day’s creative work).
Story Starter Junior. Click for a random story starter!
Journal Prompts – Some of these are kind of simple, but sometimes simplicity works!
About.com has these prompts.
Scholastic Story Starters – Interactive fun!
Finish a story started by one of your favorite authors, including Lemony Snicket and Mo Willems.