Image manipulation with Flash and PHP/GD

$0Flash & PHP & GD$0$0--------------------$0$0The project is to create a simple and easy to use tool for a website. With the tool, the user can upload a picture showing himself. The tool will then make the background transparent and place the image on top of another background picture. The user can then move and "zoom" (resize) his own picture, drag&drop-style, to position his picture on top of the other to create the illusion of him being "in the picture". When the user is satisfied, he "saves" it to the server. There, the information (coordinates/offset, zoom....) will be used to overlay his picture on top of several background pictures.$0$0$0$0$0Any combination of Flash, PHP and the GD (image library) can be used. Please describe your concept and method for achieving the desired effect.$0$0$0$0$0Please only bid on this project if you have good knowledge about Flash and PHP.$0$0$0$0$0Thanks!$0