Stop motion animation is animation that is captured one frame at time, with physical objects that are moved between frames. The basic process of animation involves taking a photograph of your objects or characters, moving them slightly, and taking another photograph. When you play back the images consecutively, the objects or characters appear to move on their own.
Keep these things in mind to help make the process go smoothly:
Tips provided by http://www.jigsaweducation.com/4675.aspx Stop Motion Animation for the Classroom
Green screens are used in the movies to make it look like the actors are driving across the desert, and it's used on TV to make it look like your local news announcer is standing in front of an animated weather map. The secret to pulling your subject out of the real world and into a world of your choice is Chromakey editing. Let's get started!
Be sure to only use images or videos in your project that you have legal permission to use... in other words, don't break copyright laws. Here are a few places to help you get started!