grml-wallpaper() { Esetroot -scale /usr/share/grml/$* }
  _grml-wallpaper() {
    dirs=(. /usr/share/grml/)
    _description files expl 'set desktop wallpaper on grml system'
    _files "$expl[@]" -W dirs -g '*.{jpg,png}(-.)'
  }
  compdef _grml-wallpaper grml-wallpaper