According to an alleged leak on GTAgaming.com, five new images depicting locations in Grand Theft Auto 5 are frames from an Image Viewer.
Each image is watermarked with the FlyUS logo, which is a fictional airline in the GTA universe. The images depict locations such as Grapeseed, Zancudo River, Vinewood Falls and Vespucci Canals.

http://www.computerandvideogames.com...ations-leaked/