diff --git a/.config/bspwm/bspwmrc b/.config/bspwm/bspwmrc
index 9384b31..f00650f 100755
--- a/.config/bspwm/bspwmrc
+++ b/.config/bspwm/bspwmrc
@@ -5,6 +5,9 @@ pgrep -x sxhkd > /dev/null || sxhkd &
 bspc monitor DP-2 -d 1 2 3 4 5
 bspc monitor HDMI-0 -d 6 7 8 9 0
 
+bspc config remove_disabled_monitors false
+bspc config remove_unplugged_monitors false
+
 bspc config border_width         2
 bspc config window_gap          12
 
@@ -17,6 +20,10 @@ bspc rule -a Nvidia-settings state=floating
 bspc rule -a openrgb state=floating
 bspc rule -a Sxiv state=floating
 
+# start screen locker
+xset s 600 5
+xss-lock -n /usr/lib/xsecurelock/dimmer -l -- xsecurelock &
+
 pgrep -x dunst > /dev/null || dunst &
 
 pgrep -x notify.sh > /dev/null || ~/.config/bspwm/scripts/notify.sh &
diff --git a/.config/picom/picom.conf b/.config/picom/picom.conf
index 3f3a3ea..f7556b5 100644
--- a/.config/picom/picom.conf
+++ b/.config/picom/picom.conf
@@ -88,7 +88,9 @@ fade-out-step = 0.15;
 # fade-delta = 10
 
 # Specify a list of conditions of windows that should not be faded.
-# fade-exclude = []
+fade-exclude = [
+  "class_g = 'xsecurelock'",
+];
 
 # Do not fade on window open/close.
 # no-fading-openclose = false
diff --git a/.config/polybar/config.ini b/.config/polybar/config.ini
index 92fd32b..d1f09ad 100644
--- a/.config/polybar/config.ini
+++ b/.config/polybar/config.ini
@@ -37,6 +37,9 @@ monitor = DP-2
 background = ${colors.background}
 foreground = ${colors.foreground}
 
+scroll-up = bspc monitor -f DP-2 && bspc desktop -f prev.local
+scroll-down = bspc monitor -f DP-2 && bspc desktop -f next.local
+
 line-size = 3pt
 
 border-size = 0pt
@@ -55,7 +58,7 @@ modules-center = date
 modules-right = music filesystem memory cpu wlan powermenu
 
 cursor-click = pointer
-cursor-scroll = ns-resize
+; cursor-scroll = ns-resize
 
 enable-ipc = true
 
@@ -78,6 +81,9 @@ monitor = HDMI-0
 background = ${colors.background}
 foreground = ${colors.foreground}
 
+scroll-up = bspc monitor -f HDMI-0 && bspc desktop -f prev.local
+scroll-down = bspc monitor -f HDMI-0 && bspc desktop -f next.local
+
 line-size = 3pt
 
 border-size = 0pt
@@ -96,7 +102,7 @@ modules-center = date
 modules-right = music filesystem memory cpu wlan powermenu
 
 cursor-click = pointer
-cursor-scroll = ns-resize
+; cursor-scroll = ns-resize
 
 enable-ipc = true
 
diff --git a/.config/rofi/config.rasi b/.config/rofi/config.rasi
index 45a9701..2e3d448 100644
--- a/.config/rofi/config.rasi
+++ b/.config/rofi/config.rasi
@@ -6,6 +6,8 @@ configuration {
   display-drun: "  apps ";
   display-ssh: " 󱘖 ssh  ";
   display-run: "  run  ";
+  display-nerdfont: " 󰞅 nerd-font ";
+  display-emoji: "  emoji ";
   show-icons: true;
   drun-display-format: "{icon} {name}";
   sidebar-mode: true;
diff --git a/.config/rofi/scripts/rofi-power-menu b/.config/rofi/scripts/rofi-power-menu
index 47acf9c..201862a 100755
--- a/.config/rofi/scripts/rofi-power-menu
+++ b/.config/rofi/scripts/rofi-power-menu
@@ -38,7 +38,7 @@ icons[shutdown]="\Uf0425"
 icons[cancel]="\Uf0156"
 
 declare -A actions
-actions[lockscreen]="slock"
+actions[lockscreen]="xset s activate"
 #actions[switchuser]="???"
 actions[logout]="loginctl terminate-session ${XDG_SESSION_ID-}"
 actions[suspend]="systemctl suspend"
diff --git a/.config/sxhkd/sxhkdrc b/.config/sxhkd/sxhkdrc
index 24fe3b3..75cbf53 100644
--- a/.config/sxhkd/sxhkdrc
+++ b/.config/sxhkd/sxhkdrc
@@ -14,13 +14,17 @@ super + d
 super + v
 	~/.config/rofi/scripts/vim-cheat.sh
 
+# nerd font cheat sheet
+super + n
+	~/.config/rofi/scripts/icon-picker.sh
+
 # power menu
 super + p
 	rofi -show p -modi p:'~/.config/rofi/scripts/rofi-power-menu --symbols-font "JetBrainsMonoNL Nerd Font Mono"' -font "JetBrainsMonoNL Nerd Font Mono" -monitor -1
 
 # print screen
 Print
-	path="$HOME/pictures/screenshots/$(date +"%s - %Y-%m-%d")" && maim "$path" && xclip -selection clipboard -t image/png "$path"
+	path="$HOME/pictures/screenshots/$(date +"%s - %Y-%m-%d").png" && maim "$path" && xclip -selection clipboard -t image/png "$path"
 
 shift + Print
 	path="$HOME/pictures/screenshots/$(date +"%s - %Y-%m-%d").png" && maim -s "$path" && xclip -selection clipboard -t image/png "$path"
diff --git a/README.md b/README.md
index fde1158..2caefb2 100644
--- a/README.md
+++ b/README.md
@@ -6,7 +6,7 @@ here are the dotfiles and some of the programs i use for my bspwm setup. wip.
 ### 🏗️ system
 - distro: [arch linux](https://archlinux.org)
 - wm: [bspwm](https://github.com/baskerville/bspwm) ([cheat sheet](https://gist.github.com/amit08255/43ed6efdc1952d88f9a61e86f375e924))
-- dm: [ly](https://github.com/fairyglade/ly)
+- dm: [lightdm](https://github.com/canonical/lightdm) with [mini-greeter](https://github.com/prikhi/lightdm-mini-greeter)
 - compositor: [picom](https://github.com/yshui/picom)
 - aur helper: [paru](https://github.com/Morganamilo/paru)
 - file manager: [nnn](https://github.com/jarun/nnn)