Last night, after getting tired of listening to “What can we do now” from my five year old, I pulled up Storybird and together, my son and I created this ebook story. He told me the story, I asked a few questions, and he created the pages. He loved it and you can see elements of his fascination with Star Wars in it (or, at least, I can).
The Castle Rescue by dogtrax on Storybird
I had somewhat forgotten about Storybird (which I tried a few months ago in a story about reading called The Book and the Frown) but it is easy to use and could find a nice place in some lower elementary classrooms. There are image groups to choose from and the interface is simple to use.

Peace (in the story),
Kevin