Friend Photos 1.0 for Mac was available to download from the developer's website when we last checked. We cannot confirm if there is a free download of this app available. The program lies within Theming Tools, more precisely Screensavers. Please check the Mac app with an antivirus before launch as it is downloaded from the developer's website, and we cannot ensure that it is safe. The actual developer of this free Mac application is Doomlaser.
From the developer:
Friend Photos is a facebook screensaver for Mac OS X. It finds photos of your friends and turns them into an elegant slideshow. To install, simply download the screensaver and double-click on the file. Click on "Options" and then "Login To Facebook". After logging in, you'll be able to choose which friends you'd like to see, filter by gender and relationship status, and more.
You may want to check out more Mac applications, such as Friendly for Facebook, Batch Photos Processor or Image Booth - Photo Collage, which might be similar to Friend Photos.