       listStyle: 'none'
       position: 'relative'
 
-    $container.find('img').not('keep-original').css
+    $container.find('img').not(".#{@options.classes.preserve}").css
       "-webkit-backface-visibility": 'hidden'
       "-ms-interpolation-mode": 'bicubic'
       "min-width": '100%'

      $(this).css
        left: width

      adjustImagePosition $('img', this).not('.keep-original')

  findMultiplier = =>
    if @size() == 1 then 1 else 3


    setupCss()
    setupContainers()
    toggleNav()
    addPagination()

    @start()
    this

  setupCss = =>
    $('body').css
      margin: 0

