heres my conf again
```
{ config, pkgs, ... }: {
   imports = [
	./hardware-configuration.nix
   ];
   boot.loader.grub.enable = true;
   boot.loader.grub.version = 2;
   boot.loader.grub.device = "/dev/sda"; # or "nodev" for efi only
   boot.kernelParams = [ "console=ttyS0,115200" ];   
   networking = {
	hostName = "babs-laptop2";
	networkmanager.enable = true;
   }; 
   time.timeZone = "America/Kentucky/Monticello";
   hardware.pulseaudio.enable = true;
   services.acpid.enable = true;
   services.xserver = {
        enable = true;
        libinput.enable = true;
        displayManager.lightdm.enable = true;
        windowManager.i3.enable = true;        
   };
   nixpkgs.config.packageOverrides = pkgs: {
	lxappearance = pkgs.lxappearance.overrideAttrs(old: rec {
		name = "lxappearance-0.6.2";
		src = pkgs.fetchurl {
			url = "mirror://sourceforge/project/lxde/LXAppearance/${name}.tar.xz";
			sha256 = "07r0xbi6504zjnbpan7zrn7gi4j0kbsqqfpj8v2x94gr05p16qj4";
      };
    });
   };
   environment.systemPackages = with pkgs; [
	terminator
	chromium
	palemoon
	nitrogen
	(xfce.thunar.override { thunarPlugins = [ xfce.thunar-archive-plugin ]; })
	xfce.tumbler 
	udiskie
	gnome3.file-roller
	xfce.mousepad
	arc-theme
	arc-icon-theme
	dmenu
	lxappearance
	audacity
	pavucontrol
	gnome3.gnome-system-monitor
	guvcview
	screenfetch
	networkmanagerapplet
	hexchat
	filezilla
	xfce.xfce4-screenshooter
	autoconf
	automake
	autobuild
	gtk_engines
	gtk-engine-murrine
	gnome3.adwaita-icon-theme
	hicolor_icon_theme
	gnome3.gnome_themes_standard
	gtk2-x11
	xfce.xfconf
	nix-prefetch-git
	rxvt_unicode-with-plugins 
	viewnior
	gpicview
	gimp-with-plugins
	gksu
	virtualbox
	linuxPackages.virtualbox
   ];
   environment.sessionVariables = {
    GTK_DATA_PREFIX = "/run/current-system/sw";
   };
   users.extraUsers.babs = {
	isNormalUser = true;
	extraGroups = [ "wheel" "networkmanager" ];
	home = "/home/babs";
	uid = 1000;
	initialPassword = "hunter2";
   };
   system.stateVersion = "17.03";
   }
```