Modify an existing php script to read image data from an XML file giving x/y co-ordinates of multiple image layers (each individually uploaded to server) and flattening the image into one to be saved on the server as a single jpeg (according to specified image dimensions). A secondary, simple php task will be to finish a simple add-to-cart script. Work has been done on this and the existing scripts are functional to an extent. Envisage this to be relatively straight forward task...