My thanks to PowerPhotos for sponsoring 512 Pixels this week. It is the ultimate toolbox for Photos on the Mac. Create multiple libraries, find duplicates, copy photos/albums, merge libraries, advanced export, and more.
Version 2.0 can be downloaded for free on the web. Existing users of PowerPhotos 1.0 or iPhoto Library Manager can use their serial number to upgrade for 50% off the regular price, and 512 Pixels readers can use the coupon code 512PIXELS to receive a 20% discount.