The easiest way to build a Raspberry Pi picture frame: Streaming with the FRAMEN Photo App
Probably the easiest photo frame software solution thanks to a free app with great image management tools.
Image Viewer
How I added smooth crossfading image transitions to my Raspberry Pi digital picture frame
Pi3D PictureFrame is hands down the best image viewer software you can find for your photo frame. Look here for a full tutorial to set it up in no time.
