Download of PinPhoto 2.4 for Mac was available from the developer's website when we last checked. We cannot confirm if there is a free download of this app available. The application lies within Design & Photo Tools, more precisely Viewers & Editors. 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. This free software for Mac OS X was originally created by CoderForArt Inc.
From the developer:
PinPhoto is a simple application that allows you to place your photos anywhere on the screen and save imported photos as documents. The PinPhoto software program will restore your photo state when you reopen your Mac. In addition, the app allows you to place selected photos on full screen mode automatically.
You may want to check out more software for Mac, such as TurboCAD Mac Designer, PhotoExpress 2 or DropImageURL, which might be related to PinPhoto.