$wallpaper_1 = $HOME/.wallpapers/1.jpg
$wallpaper_2 = $HOME/.wallpapers/2.jpg
$wallpaper_3 = $HOME/.wallpapers/3.jpg
preload = $wallpaper_1
preload = $wallpaper_2
preload = $wallpaper_3
wallpaper = DP-3,$wallpaper_1
wallpaper = HDMI-A-1,$wallpaper_2
wallpaper = DP-2,$wallpaper_3