You can use Giphy for readymade GIFs, or create your own cinemagraphs with Photoshop or, if you are trying to use a video, convert to GIF using FFMpeg. It takes a few easy steps to inject some life in your Mac background. OS X natively supports only static wallpaper images but there’s a little Mac utility called GIFPaper that adds support for animated live backgrounds to your desktop. You may have seen web pages with video backgrounds but did you know that it is also possible to use videos and animated GIF images as backgrounds for your Mac desktop.