macOS 10.9 or later | | File Size: 121 MB Rather than let those photos on your hard drive collect digital dust, use Posterino to create a beautiful collage. Just choose a template and add your favorite photos. Posterino will randomly shuffle your images into a poster-worthy keepsake. Changes to the layout, frames and filters are accomplished with a single click. Your memories will be ready for display in minutes, and you can let the viewing begin.