Here is the link to a Storybird I wrote for my primary pupils. It is a stretch for some, but I have found that they enjoy and benefit from being pushed:
Click on this link
to read the story.
I hope it's useful.
If you're already a Storybird fan and author, why not add a link to your story to this MFL-Storybird wiki
I've set up, so we can share our MFL creations:
If you haven't investigated Storybird yet, I do encourage you to have a look:www.Storybird.com