I displayed the Hermitage painting collection on a secondary 30'' monitor, set to rotate at 5 minutes. A key factor was that I had the titles watermarked on the images otherwise I would have been frustrated to see something beautiful that I don't know the name of.
Had this setup for a couple of years, and watched lots of beautiful paintings. My purpose was to submerge my visual perception into art for a long time and just let my artistic perception develop organically.