Error fetching Flickr photos: A feed could not be found at https://api.flickr.com/services/feeds/photos_public.gne?lang=en-us&format=feed-rss_200&id=69086089@N03&tags=guystuffpicsmilitaryblueangels&per_page=11. A feed with an invalid mime type may fall victim to this error, or SimplePie was unable to auto-discover it.. Use force_feed() if you are certain this URL is a real feed.