I have been backing up my iPhoto library to my WD My Book for Mac. I then delete the photos from my computer. I would now like to retrieve my photos from my external hard drive. I selected the option to restore photos to their original location on my computer, but when they do not appear in iPhot…

Seems to be that you used SmartWare for the backup, you may try browsing the drive using Finder and locate your files manually.