Stephen Mekosh

<p>Ordered Thumbnails is a WordPress plugin that allows you to display thumbnails based on images that have been attached to a post. This plugin also allows you to specify which thumbnail appears next to a post with multiple images by ordering the thumbnails in the Gallery tab of the WordPress “Add Images” lightbox and placing the thumbnail desired in the first position.</p>
<p>To style how the thumbnail appears on your page, you may pass optional CSS class names to the plugin, which will then be applied to the <code><img></code> tag returned. Alternately, by setting the display parameter to “false”, Ordered Thumbnails will return the thumbnail URL, height, and width as a PHP array to be used however you see fit. If no images have been attached to a post, the plugin fails gracefully and returns “false”. This plugin will work anywhere the WordPress posts loop is used and works particularly nice in combination with <code>the_excerpt</code> for archive pages.</p>


Ordered Thumbnails

Display a thumbnail based on post images with no additional uploads. For multiple image posts, thumbnail respects Gallery sort order.

MartyThornley

<p>Makes local copies of all the linked images in a post, adding them as gallery attachments.</p>
<h4>Features</h4>
<h4>Credits</h4>
<p>This plugin is baszed on the work done in the “Add Linked Images to Gallery” plugin by http://www.bbqiguana.com/</p>


Import External Images

Funciona perfecto en WP 4.9

Makes local copies of all the linked images in a post, adding them as gallery attachments.

Ordered Thumbnails vs Import External Images