flickr RSS XML object

edit_content_img.php

/* Put this into the WordPress functions.php file to embed a large image from the Flickr RSS feed */

function edit_content_img($content) {
	$content = preg_replace("/(_m)/", "_b", $content);
	return $content;
}
add_filter( 'the_content', 'edit_content_img');

flickrRss.xml

<item>
  <title>IMG_20170101_204252_copy</title>
  <link>https://www.flickr.com/photos/bennettscience/31231759933/</link>
  
  <!-- The description is syndicated to the post by FeedWordPress -->
  <description>
    <p><a href="https://www.flickr.com/people/bennettscience/">bennettscience</a> posted a photo:</p> <p><a href="https://www.flickr.com/photos/bennettscience/31231759933/" title="IMG_20170101_204252_copy"><img src="https://farm1.staticflickr.com/543/31231759933_ba613deec1_m.jpg" width="180" height="240" alt="IMG_20170101_204252_copy" /></a></p>
  </description>
  
  <pubDate>Sun, 01 Jan 2017 19:55:22 -0800</pubDate>
  <dc:date.Taken>2017-01-01T21:55:22-08:00</dc:date.Taken>
  <author flickr:profile="https://www.flickr.com/people/bennettscience/">nobody@flickr.com (bennettscience)</author>
  <guid isPermaLink="false">tag:flickr.com,2004:/photo/31231759933</guid>
  <media:content url="https://farm1.staticflickr.com/543/31231759933_ba613deec1_b.jpg" type="image/jpeg" height="1024" width="768"/>
  <media:title>IMG_20170101_204252_copy</media:title>
  <media:thumbnail url="https://farm1.staticflickr.com/543/31231759933_ba613deec1_s.jpg" height="75" width="75"/>
  <media:credit role="photographer">bennettscience</media:credit>
  <creativeCommons:license>
    https://creativecommons.org/licenses/by/2.0/deed.en
  </creativeCommons:license>
</item>