Gets interesting photos.

        flickr:(credsfile),interesting

def interesting(self, args=None):
        """
        Gets interesting photos.

        flickr:(credsfile),interesting

        """
        kwargs = {'extras':  ','.join(args) if args else 'last_update,geo,owner_name,url_sq'}
        return self._paged_api_call(self.flickr.interestingness_getList, kwargs)