content: on run argv
  
    tell application "System Events"
  
      set monitors to a reference to every desktop
      set numMonitors to count (monitors)
  
      repeat with monitorIndex from 1 to numMonitors by 1
        set picture of item monitorIndex of the monitors to "" & item 1 of argv & "" -- display 1
        set picture of item monitorIndex of the monitors to "" & item 1 of argv & "" -- display 2
        set picture of item monitorIndex of the monitors to "" & item 1 of argv & "" -- display 3
        set picture of item monitorIndex of the monitors to "" & item 1 of argv & "" -- display 4
        set picture of item monitorIndex of the monitors to "" & item 1 of argv & "" -- display 5
        set picture of item monitorIndex of the monitors to "" & item 1 of argv & "" -- display 6
        set picture of item monitorIndex of the monitors to "" & item 1 of argv & "" -- display 7
        set picture of item monitorIndex of the monitors to "" & item 1 of argv & "" -- display 8
      end repeat
  
    end tell
  
  end run
  