I agree with master565, you need a knowledge of action script 3 (AS3) or at least a knowledge of a OOP(Object oriented programing) language, im dont know much of programing, but any game needs a piece of programming.
Well, if you want a video here there are: http://www.youtube.com/watch?v=pKj1IgWJd-A
i mean like i dont get it unless im seeing it like a tut video
Tutorial videos are a lot worse than books and if you want to use videos none of them are free. They may let you watch a couple for free but then you will just learn pieces of the language with out a fundamental knowledge. If you want a good book look at this. http://www.amazon.com/Learning-ActionScript-3-0-Beginners-Guide/dp/059652787X It's a very good book.