diff --git a/dots/bash/.bashrc b/dots/bash/.bashrc
index c8c74e3..5c2336a 100644
--- a/dots/bash/.bashrc
+++ b/dots/bash/.bashrc
@@ -23,9 +23,9 @@ eval "$(jump shell --bind=j)"
 # miscellaneous aliases
 # ---
 
-alias aafire="aafire -driver curses"
-alias cacafire="DISPLAY= cacafire"
-alias cmatrix="cmatrix -a -b -s -u 5"
+alias aafire="aafire -driver curses"        # terminal idle "screensaver"
+alias cacafire="DISPLAY= cacafire"          # terminal idle "screensaver"
+alias cmatrix="cmatrix -a -b -s -u 5"       # terminal idle "screensaver"
 alias ct="sudo ct"
 alias dr="dragon-drop --and-exit --all --print-path"
 alias diskusage="ncdu -x"
@@ -49,6 +49,7 @@ alias tp-list="tree ~/.local/share/Trash/"
 alias tp-restore="trash-restore"
 alias tp="tp.sh"
 alias tree="tree --du -h"
+alias unimatrix="unimatrix.py"              # terminal idle "screensaver"
 
 #alias azurevpnclient="/opt/microsoft/microsoft-azurevpnclient/microsoft-azurevpnclient"
 alias luna="~/syncDir/quick/swas/installationFiles/lunaModeler/Luna\ Modeler-10.1.0-x86_64.AppImage"
@@ -208,6 +209,13 @@ rshift() {
     redshift -P -O ${temperature}
 }
 
+# tfun aka. "terminal fun" - run random terminal "fun" command
+tfun() {
+    commands=("aafire" "cacafire" "cmatrix" "unimatrix")
+    random_command=${commands[ $RANDOM % ${#commands[@]} ]}
+    $random_command
+}
+
 
 # ---
 # mounting
diff --git a/dots/bin/i3lock_fk.sh b/dots/bin/i3lock_fk.sh
index 216a90b..15ca088 100755
--- a/dots/bin/i3lock_fk.sh
+++ b/dots/bin/i3lock_fk.sh
@@ -5,7 +5,7 @@
 
 # get random image to use
 # https://stackoverflow.com/questions/61290199/how-do-i-select-a-random-file-from-a-directory
-random_image=$(ls -1 /home/${USER}/.local/share/img/*.png |  shuf | head -1)
+random_image=$(ls -1 /home/${USER}/.local/share/img/*.png | shuf | head -1)
 random_image_filname="$(basename -- $random_image)"
 
 # get random gravity to use for the overlay image, take the number of displays into account