The way it behaves is to put the cover of the first song in the upper left corner, the next one in the upper right corner, the next one in the lower left coner and finally the fourth in the lower right corner.
If a song is not available, it takes the cover from the next available song.
osorniosRock Star 22
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@elinsvanold I believe it will always put the first four albums you put in playlist as the cover art, if you change the first four albums or tracks it will change but not if you have changed in filter, I.e filter as recently added.
Yes I know, the problem is I put them in a specific order and it looks how it should as I am "inside" the playlist itself, but looking at all my public playlists at my spotify profile, the (first four) album covers switch places with each other for no apparent reason.