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You would probably be a lot better of with a forum like this one.
A good free board I use on my local network is PhpBB (http://www.phpbb.com/)
Coding with Flash requires a lot of experience in more than one field of coding.
Suggested Links:
PhpBB : http://www.phpbb.com/
Yabb : http://www.yabbforum.com/
Hosted Solutions: http://www.emailaddresses.com/email_bb.htm
Invision Power: http://www.invisionboard.com/
WebWiz : http://www.webwizguide.info/web_wiz_forums/default.asp
cr3ative