setwallpaper.sh

#!/bin/bash

case $1 in
  0) xloadimage -zoom 70 -onroot ~/Pictures/emergence_by_alexiuss-d4n7gur.jpg ;;
  1) xloadimage -zoom 100 -onroot ~/Pictures/emergence_by_alexiuss-d4n7gur.jpg ;;
  2) xloadimage -fullscreen -onroot ~/Pictures/Metro_wallpaper2_1280x800.jpg 100 ;;
  3) xloadimage -fullscreen -onroot ~/Pictures/Metro_wallpaper2_1920x1200.jpg 100 ;;
  4) xloadimage -fullscreen -onroot ~/Pictures/Metro_wallpaper_1280x800.jpg 100 ;;
  5) xloadimage -fullscreen -onroot ~/Pictures/Metro_wallpaper_1920x1200.jpg 100 ;;
  *) echo 'Bad number'
esac