new_contents: from comics.aggregator.crawler import CrawlerBase, CrawlerImage
  from comics.meta.base import MetaBase
  
  class Meta(MetaBase):
      name = 'Idiot Comics'
      language = 'en'
      url = 'http://www.idiotcomics.com/'
      start_date = '2006-09-08'
      rights = 'Robert Sergel'
  
  class Crawler(CrawlerBase):
      history_capable_days = 500
      schedule = 'Mo,Tu,We,Th,Fr,Sa,Tu'
      time_zone = -5
  
      def crawl(self, pub_date):
          feed = self.parse_feed('http://www.rsspect.com/rss/idiotcomics.xml')
          for entry in feed.for_date(pub_date):
              result = []
              for img in entry.summary.root.cssselect('img'):
                  url = img.get('src')
                  result.append(CrawlerImage(url))
              if result:
                  result[0].title = entry.title
              return result
  
subject: Add crawler for 'idiotcomics'