This is currently in progress. This notice will be removed when ready for deployment and documentation is updated. Assume unusable nonsense below.
REF: https://github.com/pleschev/digital_photo_frame
https://www.raspberrypi.org/forums/viewtopic.php?f=29&t=35054#p296180
REF: http://www.pghpunkid.com/2016/06/raspberry-pi-how-to-make-a-splash-screen/
Copyright, Matt J. Wiater [https://www.flickr.com/photos/portlandbeer]