The Prompt Story Cupboard

Do you have days when all the ideas in your head sink like a dinosaur in the tar pits? Yeah, me, too. Well, if you need a fresh idea you might give some of these prompt sites a try. If nothing else they'll add a bit a sparkle to what you've already got or give your story a new direction, or you can find yourself writing a whole new story.

http://www.creativewritingprompts.com This site has a page full a numbers - just run your cursor over the numbers and the prompts appear. Some are prompts for stories, others just writing exercises to get you in the mood.

http://writingprompts.tumblr.com This site combines pictures and written prompts.

http://www.writersdigest.com/prompts Yes, Writer's Digest is online and has a page of sentence/paragraph prompts to get your juices flowing.

http://www.seventhsanctum.com This site is full of generators, mostly for the sci-fi/fantasy writers. They have prompts for setting, character names, villains, almost anything you think you might need to get a story started.