MakeBeliefsComix.com is a website I came across after reading a short piece about it in Family Fun magazine. You choose a from a few panel options, 15 character options, and loads of editing choices.
This is exactly the kind of thing Bee is getting into right now, and I think we’ll have a lot of fun with the site. They also offer a lot of pre-designed layouts, lacking only dialog – so you can use them as a creative writing exercise. Pretty brilliant!
Here is a tutorial.