Sometime in the past few months, something changed so that the Controller, Radio, and Touch no longer allow you to use custom wallpapers that don't match the screen dimensions of the specific player. So if you have a seamless tiling image file and you want to use it on all your players, you have to create three separate images using your seamless fill and save them out separately, plus make several entries in the customize controller settings for each product's wallpaper file. 

It would be nice if we could use a single seamless image file on all the players. Maybe something like putting "tile" in the file name could identify tiled images so they could be offered as wallpaper on all players.