Write your own text in to moveable speech bubbles, drop characters, objects onto the scene, then get them moving.
Animating the elements, using a timeline, might act as an interesting introduction to film editing and story-boarding.
This is a free tool, from the Disney stable. There are still many other free activities on Kerpoof, such as the drawing studio, or the Make a Picture tool for more comic creation. Younger children could try the Spell a Picture game. But first, go get ghostly gruesome!
Category: 2) Useful n Interesting