nixos-config/home/modules/hyprland/hyprpaper.nix

{
    services.hyprpaper = {
        enable = true;
	settings = {
	    preload = [ "/home/uzair/Pictures/nix-mocha.png" ];
	    wallpaper = [ ", /home/uzair/Pictures/nix-mocha.png" ];
	};
    };
}