code: def a_href_finder(pipeline_index,
                    soup,
                    finder_image_urls=[],
                    *args, **kwargs):
      
  
      now_finder_image_urls = []
  
      for a in soup.find_all('a'):
          href = a.get('href', None)
          if href:
              href = str(href)
              if filter(href.lower().endswith, ('.jpg', '.jpeg', '.gif', '.png')):
                if (href not in finder_image_urls) and \
                   (href not in now_finder_image_urls):
                      now_finder_image_urls.append(href)
  
      output = {}
      output['finder_image_urls'] = finder_image_urls + now_finder_image_urls
  
      return output
docs: Find image URL in <a>'s href attribute