content: 
  tell application "System Events"
      tell current desktop
          
          -- (0=off, 1=interval, 2=login, 3=sleep)
          %@ set picture rotation to %@
          
          -- true, false
          %@ set random order to %@
          
          -- "Mac OS X:Library:Desktop Pictures:Plants:"
          %@ set pictures folder to "%@"
          
          -- intreval in seconds
          %@ set change interval to %@ -- seconds
          
      end tell
  end tell
  