Press2Flash is an AS3 based framework created to add Rich Media capabilities to your WordPress-powered website. It also provides a Wordpress plugin to enable the communication between the CMS and Flash.
This project is not maintained anymore and will break on recent versions of wordpress.
This structures reflects the Wordpress organisation.
The plugin is locatated here: wp-content\plugins\press2flash and the source code for the Flash theme: wp-content\themes\press2flash\flash\src