def get_creatives(self, report_date, account_id):
     ad_account = AdAccount(fbid=account_id)
     limit = 500
     fields = [AdCreative.Field.thumbnail_url]
     params = {
         'time_range': {
             'since': report_date,
             'until': report_date
         },
         #        'date_preset':'last_90d',
         'limit': limit if limit > 0 else None
     }
     insights = ad_account.get_ad_creatives(fields, params)
     return insights