code: def background_image_finder(pipeline_index,
                              soup,
                              finder_image_urls=[],
                              *args, **kwargs):
      
  
      now_finder_image_urls = []
  
      for tag in soup.find_all(style=True):
          style_string = tag['style']
          if 'background-image' in style_string.lower():
              style = cssutils.parseStyle(style_string)
              background_image = style.getProperty('background-image')
              if background_image:
                  for property_value in background_image.propertyValue:
                      background_image_url = str(property_value.value)
                      if background_image_url:
                          if (background_image_url not in finder_image_urls) and \
                             (background_image_url not in now_finder_image_urls):
                              now_finder_image_urls.append(background_image_url)
  
      output = {}
      output['finder_image_urls'] = finder_image_urls + now_finder_image_urls
  
      return output
docs: Find image URL in background-image
  
      Example:
      <div style="width: 100%; height: 100%; background-image: url(http://distilleryimage10.ak.instagram.com/bde04558a43b11e28e5d22000a1f979a_7.jpg);" class="Image iLoaded iWithTransition Frame" src="http://distilleryimage10.ak.instagram.com/bde04558a43b11e28e5d22000a1f979a_7.jpg"></div>
      to
      http://distilleryimage10.ak.instagram.com/bde04558a43b11e28e5d22000a1f979a_7.jpg