Since FramePhotoEditor Version 5.0, you can add normal PNG files as templates for your FramePhotoEditor. We add a fuction named "Manage Templates". If you are using previous version of FramePhotoEditor, we advise you to download the latest version from here.
This function is useful for those users who have a lot of lovely PNG files. They may get those PNG files from friends, or just download from internet.