Flash CMS with Actionscript 3.0/PHP/MySQL

Hello everybody. I’m actually relatively new to flash and actionscript but I could say I have fair knowledge about them. So anyway, I usually build flash websites the traditional way using timeline animation and scripting. Today I had a job interview and they said they’re looking for someone who can develop any web design into a Flash CMS with a back-end office for the client to edit the content without having to edit the FLA file or any code.

Accordingly, I’d like to know where and how to start. What are the main concepts I should follow/adapt? Are there any good detailed tutorials out there that I could read/watch?

Any help would be so much appreciated