diff --git a/packages.nix b/packages.nix
index 241f8cc..bb69296 100644
--- a/packages.nix
+++ b/packages.nix
@@ -43,5 +43,7 @@ in
     jujutsu
     (nixGL musescore)
     fend
+    timg
+    graphviz
   ];
 }
diff --git a/zsh.nix b/zsh.nix
index 4c5c540..cef3f1e 100644
--- a/zsh.nix
+++ b/zsh.nix
@@ -1,5 +1,9 @@
 { config, pkgs, ... }:
 {
+  home.shellAliases = {
+    idot = "dot -Tpng -Gbgcolor=#232627 -Ncolor=white -Nfontcolor=white -Npencolor=white -Ecolor=white -Efontcolor=white -Epencolor=white -Npenwidth=2 -Epenwidth=2 -Nfontname=\"Courier bold\" -Efontname=\"Courier bold\" | timg -";
+  };
+
   programs.zsh = {
     enable = true;
     autosuggestion.enable = true;