I really dislike being a downer on this, but most (if not all) CF developers that I know or communicate with do not use Flash forms.
Part of the reason, I think, had to do with a conflict that was instigated from a lawsuit that Microsoft lost; they set up tight security in Internet Explorer that would require a user to "click" within the area of a Flash form in order to activate it and actually use it. That turned a lot of users (and developers) off to the idea.
Also, Flash forms are kind of a pain to develop.
There are other reasons why, but that's the gist of it. Again, I hate to be a downer, but the best advice I can give you is "don't use Flash forms".