diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..f720807
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+zshrc
diff --git a/.zshrc b/.zshrc
index b3d7d8d..515b321 100644
--- a/.zshrc
+++ b/.zshrc
@@ -85,3 +85,12 @@ function follow() {
     pushd `filepath $1`
   fi
 }
+
+# Source per-instance customizations if they exist
+if [ -e $HOME/.zcustom/zshrc ]; then
+    source $HOME/.zcustom/zshrc
+fi
+
+# Remove duplicate entries in the PATH
+typeset -U path
+
diff --git a/edorrington.zsh-theme.zsh b/edorrington.zsh-theme.zsh
index 303422e..3169d19 100644
--- a/edorrington.zsh-theme.zsh
+++ b/edorrington.zsh-theme.zsh
@@ -1,4 +1,4 @@
-PROMPT='%n@%m %{$fg_bold[blue]%}$(git_prompt_info)%{$fg_bold[blue]%} %{$reset_color%} %F{cyan}%~%f %F{red}❯%F{gray}❯❯%f '
+PROMPT='%n@%m %{$fg_bold[blue]%}$(git_prompt_info)%{$fg_bold[blue]%} %{$reset_color%} %F{cyan}%~%f %F{red}❯%F{yellow}❯%F{green}❯%f '
 
 ZSH_THEME_GIT_PROMPT_PREFIX="git:(%{$fg[red]%}"
 ZSH_THEME_GIT_PROMPT_SUFFIX="%{$reset_color%}"
diff --git a/init.sh b/init.sh
index 713b88f..b417d99 100644
--- a/init.sh
+++ b/init.sh
@@ -1,5 +1,10 @@
 #!/bin/sh
 rm -f $HOME/.zshrc
+curl -L https://raw.github.com/robbyrussell/oh-my-zsh/master/tools/install.sh | sh
+mkdir -p $HOME/.oh-my-zsh/custom/plugins
+cd $HOME/.oh-my-zsh/custom/plugins
+git clone git://github.com/zsh-users/zsh-syntax-highlighting.git
+cd $HOME
 ln -s $HOME/.zcustom/.zshrc $HOME/.zshrc
 ln -s $HOME/.zcustom/edorrington.zsh-theme.zsh $HOME/.oh-my-zsh/custom/edorrington.zsh-theme.zsh