preload = ~/.nixos/wallpaper/images_dark/1920x1080.png
preload = ~/.nixos/wallpaper/images_dark/1920x1200.png
preload = ~/.nixos/wallpaper/images_dark/1080x1920.png

wallpaper = HDMI-A-1,~/.nixos/wallpaper/images_dark/1920x1200.png
wallpaper = DP-1,~/.nixos/wallpaper/images_dark/1080x1920.png
wallpaper = ,~/.nixos/wallpaper/images_dark/1920x1080.png