iPhoto Diet is a utility that helps to slim down your iPhoto library by manipulating your photos in the following ways:
* eliminate duplicate photos created internally by iPhoto or imported by yourself
* remove iPhoto's backups of rotated or modified photos
* strip the thumbnail icons of your photos
* remove thumbnail photos that have become mixed up with your high resolution photos
* identify photos which have not been added to albums
* weed out unnecessary folders and files from the library
* and more!