diff --git a/.config/nixos/core.nix b/.config/nixos/core.nix
index 8adba03..f5897a5 100644
--- a/.config/nixos/core.nix
+++ b/.config/nixos/core.nix
@@ -1,8 +1,15 @@
 { config, pkgs, ... }:
 
 {
+  # Nix settings
   nix = {
     package = pkgs.nixFlakes;
+    settings.auto-optimise-store = true;
+    gc = {
+      automatic = true;
+      dates = "weekly";
+      options = "--delete-older-than 7d";
+    };
     extraOptions = ''
       experimental-features = nix-command flakes
     '';
@@ -87,6 +94,7 @@
     distrobox # Easily spin up VMs of other distos
     entr # Hooks for file changes
     expect # Provides `unbuffer`
+    ffmpeg
     git # Imagine not having this
     grc # Generic command output colorizer
     htop-vim # Process monitor, with vim bindings
diff --git a/.config/zsh/.zshrc b/.config/zsh/.zshrc
index 7c7df8a..72e46c8 100755
--- a/.config/zsh/.zshrc
+++ b/.config/zsh/.zshrc
@@ -49,7 +49,7 @@ preexec() { echo -ne '\e[5 q' ;} # Use beam shape cursor for each new prompt.
 # The rice repo
 alias config='git --git-dir $HOME/repos/dotfiles/ --work-tree=$HOME'
 
-alias sudo='sudo ' # Allow aliases to be passed to sudo
+alias s='sudo ' # Allow aliases to be passed to sudo
 alias pypr='sh -c pypr'
 alias asciiquarium='asciiquarium -t'
 alias ll='ls -l'
@@ -66,9 +66,6 @@ alias tor='torbrowser-launcher'
 alias emax="devour emacsclient -c -a 'emacs' 1>/dev/null"
 alias em="emacsclient -nw -a 'emacs -nw'"
 
-# Print out all colors
-alias colors='for i in {0..255}; do print -Pn "%K{$i}  %k%F{$i}${(l:3::0:)i}%f " ${${(M)$((i%6)):#3}:+$"\n"}; done'
-
 # Colorful output
 alias ls='LC_COLLATE=C ls --color=auto --group-directories-first -hN -A'
 alias grep='grep --color=auto'
@@ -87,6 +84,12 @@ alias uptime='grc uptime'
 
 ## FUNCTIONS ##
 
+function colors {
+    for i in {0..255}; do 
+        print -Pn "%K{$i}  %k%F{$i}${(l:3::0:)i}%f " ${${(M)$((i%6)):#3}:+$"\n"}; 
+    done
+}
+
 function lfcd {
     tmp="$(mktemp)"
     command lf -last-dir-path="$tmp" "$@"
@@ -101,6 +104,18 @@ function lfcd {
     fi
 }
 
+function nix-clean {
+    nix-env --delete-generations old
+    nix-store --gc
+    nix-channel --update
+    nix-env -u --always
+    for link in /nix/var/nix/gcroots/auto/*
+    do
+        rm $(readlink "$link")
+    done
+    nix-collect-garbage -d
+}
+
 # This script was automatically generated by the broot program
 # More information can be found in https://github.com/Canop/broot
 # This function starts broot and executes the command
@@ -131,6 +146,10 @@ function nix_shell_menu {
     "
 }
 
+function nixstore () {
+    cd "$(dirname $(readlink -f $(which "$1")))"
+}
+
 # function man () {
 #     emacsclient -nw --eval '(progn (man "'$1'"))'
 # }
@@ -177,7 +196,7 @@ if [ ! -z "$(grep nixos /etc/os-release)" ]; then
             nix-shell "$@"
         fi
     }
-    alias nix-shell='nix-shell-name'
+    alias nix-shell=nix-shell-name
 else
     source ~/.config/zsh/plugins/zsh-syntax-highlighting/zsh-syntax-highlighting.plugin.zsh
 fi
@@ -188,5 +207,8 @@ if [ -f  ~/.config/zsh/.zshpersonalrc ]; then
     source ~/.config/zsh/.zshpersonalrc
 fi
 
+accent_color="$(cat $HOME/.config/colors/accent)"
+starship config format "'''[╭──\([\$username@\$hostname](bold $accent_color)\)-\[\$directory\](-\[\$git_branch\$git_metrics\$git_status\])(-\[\$nix_shell\])]($accent_color) \$cmd_duration
+[╰─]($accent_color)[\$shell](bold $accent_color) '''"
 eval "$(starship init zsh)"