There's a tiny MFU community that is frequently overlooked. It's called MFU 100 and it's a prompt site. We have just added another 100 prompts.
It's just the place to try out your writing chops - no rules, no demands, just some fun prompts and no pressure. So, if you are of a mind, drop on over and check it out. And if you have a minute, check over the prompts. You might just find the perfect one!