diff --git a/boxes/x230t/default.nix b/boxes/x230t/default.nix
index facd4b2..d4a85d2 100644
--- a/boxes/x230t/default.nix
+++ b/boxes/x230t/default.nix
@@ -10,12 +10,20 @@
     ../../modules/media.nix
     ../../modules/anki.nix
     ../../modules/power-control.nix
+    ../../modules/adb.nix
   ];
 
   environment.systemPackages = with pkgs; [
     xscreensaver
+    thunderbird
   ];
 
+  services.udev.extraRules = ''
+    ACTION=="add", SUBSYSTEM=="input", KERNEL=="event[0-20]*", ENV{ID_INPUT_TOUCHSCREEN}=="1", MODE:="0666" GROUP="usr", SYMLINK+="input/touchscreen"
+  '';
+
+  users.users.usr.extraGroups = [ "input" ];
+
   services.getty.autologinUser = "usr";
 
   boot.loader = {
diff --git a/builds/utils/sh/disp b/builds/utils/sh/disp
index f6eb3a1..af4f988 100755
--- a/builds/utils/sh/disp
+++ b/builds/utils/sh/disp
@@ -1,24 +1,50 @@
 #!/bin/sh
 
+find_card_pci() {
+	[ -z $pci_path ] && pci_path=$(find /sys/devices | \
+		grep edid | \
+		cut -d/ -f1-6
+	)
+}
+
+assert_edid() {
+	find_card_pci
+
+	out=$(sha256sum ${pci_path}/card0/card0-$1/edid | \
+		cut -d' ' -f1)
+
+	[ "$out" = "$2" ] && return 0 || return 1
+}
+
 exists() {
 	xrandr | grep ' connected' | grep -c "${1}"
 }
 
-if [ ! "$(hostname)" = "mainsail" ]; then
-	bspc monitor eDP-1 -d 1 2 3 4 5 6 7 8 9
-fi
-
-if [ "$(exists "DP-1")" -gt 1 ]; then
-	printf "two"
-	bspc monitor DP-1 -s eDP-1
-	xrandr --output eDP-1 --off
-	exit 0
-fi
-
-if [ "$(hostname)" = "mainsail" ]; then
-	# this is a tower, so there's only one configuration
-	printf "mainsail detected\n"
-	xrandr --output VGA-1 --left-of HDMI-1
-	bspc monitor VGA-1 -d 1 3 5 7 9
-	bspc monitor HDMI-1 -d 2 4 6 8 0
-fi
+case "$(hostname)" in
+	"mainsail")
+		echo "mainsail"
+		xrandr --output VGA-1 --left-of HDMI-1
+		bspc monitor VGA-1 -d 1 3 5 7 9
+		bspc monitor HDMI-1 -d 2 4 6 8 0
+		;;
+	"x230t")
+		echo "x230t"
+		if
+			assert_edid "VGA-1" "35737dc483d2c3b1b20ea2343ce13c6c42d115febdc9634f8437e1b9f7fd3f5c" &&
+			assert_edid "HDMI-A-1" "01887cbd23d74201e489a6334656f7db73a7b7f732a738a9f1ee2d53389f7817";
+		then
+			echo "docked"
+			xrandr --output LVDS-1 --primary --mode 1366x768 --pos 1194x1080 --rotate normal \
+				--output VGA-1 --mode 1920x1080 --pos 0x0 --rotate normal \
+				--output HDMI-1 --mode 1920x1080 --pos 1920x0 --rotate normal \
+				--output DP-1 --off \
+				--output HDMI-2 --off \
+				--output DP-2 --off
+			bspc monitor LVDS-1 -d 1 4 7
+			bspc monitor VGA-1 -d 2 5 8
+			bspc monitor HDMI-1 -d 3 6 9
+		else
+			bspc monitor LVDS-1 -d 1 2 3 4 5 6 7 8 9
+		fi
+		;;
+esac
diff --git a/builds/utils/sh/statuswrap b/builds/utils/sh/statuswrap
index 2e5a1a5..e75379c 100755
--- a/builds/utils/sh/statuswrap
+++ b/builds/utils/sh/statuswrap
@@ -7,6 +7,8 @@ geos=$(
 	awk -F'[x+]' '{print $1 "x20+" $3 "+" $4}'
 )
 
+pkill statusbar
+
 for i in $geos; do
 	st -c statusbar -p -g "$i" -e statusbar & disown
 done
diff --git a/builds/utils/sh/testing b/builds/utils/sh/testing
deleted file mode 100755
index ae73afa..0000000
--- a/builds/utils/sh/testing
+++ /dev/null
@@ -1,4 +0,0 @@
-#!/bin/sh
-
-st &
-statusbar
diff --git a/builds/utils/sh/wallpaper b/builds/utils/sh/wallpaper
deleted file mode 100755
index 2b519eb..0000000
--- a/builds/utils/sh/wallpaper
+++ /dev/null
@@ -1,32 +0,0 @@
-#!/bin/sh
-
-WALLDIR="${HOME}/.local/share/wallpapers"
-BASECMD="feh --no-fehbg --bg-fill"
-
-generate_wall () {
-  GENWALL=$( \
-    ls "$WALLDIR" | \
-    grep "." | \
-    shuf -n 1
-  )
-  GENWALL="${WALLDIR}/${GENWALL}"
-}
-wall () {
-  generate_wall
-  while [ "${GENWALL}" = "${1}" ]; do
-    generate_wall
-  done
-}
-displays () {
-	displays=$(xrandr | grep -c ' connected')
-}
-
-cmd=""
-displays
-for i in $(seq 1 "$displays"); do
-  wall "${tmp}"
-  tmp="${GENWALL}"
-  cmd="${cmd} ${GENWALL}"
-done
-eval "${BASECMD}" "${cmd}"
-exit 0
diff --git a/flake.lock b/flake.lock
index 2ffd502..b9bdb8e 100644
--- a/flake.lock
+++ b/flake.lock
@@ -91,12 +91,12 @@
       },
       "locked": {
         "lastModified": 1,
-        "narHash": "sha256-YmGlTX2Y5d6aQzqZ1IzVp1CnbyXuHE1Fwwtf9nB40zE=",
-        "path": "/nix/store/arzg5zcsb349c5rz3kaflqiszdvfbqny-source/builds",
+        "narHash": "sha256-qcQP65622JfSlKPDPCuTCMbzCWOvKBOA3OOO426ce8I=",
+        "path": "/nix/store/rpjslsjwr8a8ykn3ncr91yigf9nsjcac-source/builds",
         "type": "path"
       },
       "original": {
-        "path": "/nix/store/arzg5zcsb349c5rz3kaflqiszdvfbqny-source/builds",
+        "path": "/nix/store/rpjslsjwr8a8ykn3ncr91yigf9nsjcac-source/builds",
         "type": "path"
       }
     }
diff --git a/home/bspwm/bspwmrc b/home/bspwm/bspwmrc
index e37c2dd..c285482 100755
--- a/home/bspwm/bspwmrc
+++ b/home/bspwm/bspwmrc
@@ -1,8 +1,6 @@
 #!/bin/sh
 # rndusr's bspwmrc
 
-bspc monitor -d 1 2 3 4 5 6 7 8 9
-
 bspc rule -a st-gpg-menu state=floating
 bspc rule -a statusbar border=off sticky=on state=floating manage=off
 bspc rule -a tmenu-prompt border=on sticky=on state=floating
@@ -11,10 +9,17 @@ bspc rule -a Zathura state=tiled
 bspc rule -a generic-st-window state=floating manage=on sticky=on border=on
 bspc rule -a floating-feh state=floating
 
+set_walls() {
+	for i in $(xrandr | grep ' connected' | cut -d' ' -f1); do
+		xwallpaper --output $i --zoom ~/.local/share/pape.jpg
+	done
+}
+
 # post-wm boilerplate
-statuswrap
-wallpaper
 disp
+statuswrap
+set_walls
+pkill xscreensaver
 HOME=".config/xscreensaver" xscreensaver --no-splash &
 
 # set up the color scheme
diff --git a/home/sxhkd/sxhkdrc b/home/sxhkd/sxhkdrc
index 19b1862..6f0222d 100644
--- a/home/sxhkd/sxhkdrc
+++ b/home/sxhkd/sxhkdrc
@@ -13,7 +13,7 @@ super + r
 
 # reinitialize ancillary services
 super + w
-	disp && wallpaper && statusbar && keyboard
+	disp && keyboard
 
 # control the national weather service
 super + {_,shift + }n
diff --git a/home/wallpapers/default.nix b/home/wallpapers/default.nix
index 4125503..5259db2 100644
--- a/home/wallpapers/default.nix
+++ b/home/wallpapers/default.nix
@@ -2,9 +2,8 @@
 
 {
   home.file = {
-    ".local/share/wallpapers" = {
-      source = ./src;
-      recursive = true;
+    ".local/share/pape.jpg" = {
+      source = ./pape.jpg;
     };
   };
 }
diff --git a/home/wallpapers/src/pape.jpg b/home/wallpapers/pape.jpg
similarity index 100%
rename from home/wallpapers/src/pape.jpg
rename to home/wallpapers/pape.jpg
diff --git a/home/wallpapers/src/163_2lvsn7f.jpeg b/home/wallpapers/src/163_2lvsn7f.jpeg
deleted file mode 100644
index 5729eaa..0000000
Binary files a/home/wallpapers/src/163_2lvsn7f.jpeg and /dev/null differ
diff --git a/home/wallpapers/src/36_he4bhx9.jpeg b/home/wallpapers/src/36_he4bhx9.jpeg
deleted file mode 100644
index cf2a33f..0000000
Binary files a/home/wallpapers/src/36_he4bhx9.jpeg and /dev/null differ
diff --git a/home/wallpapers/src/default.nix b/home/wallpapers/src/default.nix
deleted file mode 100644
index 106d796..0000000
--- a/home/wallpapers/src/default.nix
+++ /dev/null
@@ -1,10 +0,0 @@
-{ lib, config, pkgs, home, ... }:
-
-{
-  home.file = {
-    ".local/share/wallpapers" = {
-      source = ./wallpapers;
-      recursive = true;
-    };
-  };
-}
diff --git a/home/wallpapers/src/forest-steps.jpg b/home/wallpapers/src/forest-steps.jpg
deleted file mode 100644
index c5c777c..0000000
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diff --git a/home/wallpapers/src/frenchpolynesia_02.jpg b/home/wallpapers/src/frenchpolynesia_02.jpg
deleted file mode 100644
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diff --git a/home/wallpapers/src/frenchpolynesia_07.jpg b/home/wallpapers/src/frenchpolynesia_07.jpg
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diff --git a/home/wallpapers/src/minamiise_02.jpg b/home/wallpapers/src/minamiise_02.jpg
deleted file mode 100644
index a839534..0000000
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diff --git a/home/wallpapers/src/sea-tower.jpg b/home/wallpapers/src/sea-tower.jpg
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index b5d8a36..0000000
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diff --git a/home/wallpapers/src/tree-night-sky.jpg b/home/wallpapers/src/tree-night-sky.jpg
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index 5c03809..0000000
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diff --git a/home/wallpapers/src/wallhaven-3kdd23.jpg b/home/wallpapers/src/wallhaven-3kdd23.jpg
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diff --git a/home/wallpapers/src/wallhaven-pkowym.jpg b/home/wallpapers/src/wallhaven-pkowym.jpg
deleted file mode 100644
index 198f804..0000000
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diff --git a/home/wallpapers/src/wallhaven-rdqqjm.jpg b/home/wallpapers/src/wallhaven-rdqqjm.jpg
deleted file mode 100644
index 547e8b4..0000000
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diff --git a/home/wallpapers/src/wallhaven-wq535x.jpg b/home/wallpapers/src/wallhaven-wq535x.jpg
deleted file mode 100644
index 9d9ca90..0000000
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diff --git a/home/wallpapers/src/wallhaven-yj8kw7.jpg b/home/wallpapers/src/wallhaven-yj8kw7.jpg
deleted file mode 100644
index 51952bd..0000000
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diff --git a/home/wallpapers/src/waters.jpg b/home/wallpapers/src/waters.jpg
deleted file mode 100644
index 9342c4d..0000000
Binary files a/home/wallpapers/src/waters.jpg and /dev/null differ
diff --git a/home/x11-progs.nix b/home/x11-progs.nix
index 74b7f82..82f792b 100644
--- a/home/x11-progs.nix
+++ b/home/x11-progs.nix
@@ -6,7 +6,8 @@
     xcape
     xscreensaver
     mpv
-    feh
+    sxiv
+    xwallpaper
     xbrightness
     xdotool
   ];
diff --git a/modules/adb.nix b/modules/adb.nix
new file mode 100644
index 0000000..9680ecc
--- /dev/null
+++ b/modules/adb.nix
@@ -0,0 +1,6 @@
+{ lib, config, pkgs, ...}:
+
+{
+  programs.adb.enable = true;
+  users.users.usr.extraGroups = [ "adbusers" ];
+}