I was looking into this post about Emacs as a comics reader, and I thought it would be nice to use Emacs as a quick way to check my desktop screen captures I take through the day so I know what to delete. Of-course, Emacs has an answer: the built-in image-mode already does a fine job at going through images in the same folder, scaling the images to fit in the frame or see at scale, and even animated gifs. All out of the box.