As for porting your AS2 project over, you may have some difficulty with that, depending on how much of your code in in the .fla file. I suggest you develop a simple game (like Pong :) to get the hang of things before attempting your port. I expect that most of your code is reusable, but you may want to refactor large portions of it to work more intuitively in the new language.
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Junkets for bunterish lickspittles since 1998!