Hi Tobi,
This month i have shows with continuous exchange of wallpapers with music.
By preference wallpaper can you with the browser choose for new wallpapers.
But you can change 1 to 2 times for new wallpapers, than the browser no longer works 
I working with 5S (5.1.2 Nederlands)I know you’re busy by Prolight+Sound Frankfurt.
Have you a quick solution for this, so I can do what I promised to the customers?
Greetings Tony