A tool for people who can actually draw! Create all content via pen and color tools.

Create your own 1, 2, or 3 panel cartoons using a library of cartoons, text bubbles. Images can be uploaded and manipulated with simple tools

Teacher site -
Kerpoof is a fun to use cartoon tools with stock shapes and character bubbles, but can also be used to create movies.

Pick flickr photos by tag or user name and put on a timeline, overlay bubbles with text.

Create simple or complex comics using characters, scenes, objects. All objects are highly editable, and characters can be moved into almost any pose.
Costs $$ to use but is reasonably priced.