AivarasFX

<p>FX Gallery Widget adds a widget for displaying gallery for attached images to current page or post, or to a specific post or page by ID. It is used to show images in widget area if they are linked to a page or post, they don’t have to be inserted in page as images. Widget has setting for number of images to display, also displaying order may be set to random.</p>
<h4>Features</h4>
<ul>
<li>Show images from currently displayed page or post</li>
<li>Add as many widgets as you want, wherever you want</li>
<li>Select a number of images</li>
<li>Select any registered size in WordPress</li>
<li>Display the images in ascending, descending, or random order</li>
<li>Link the images to the original file, post, anchor in the post, attachment page, or nothing</li>
<li>Add a prefix to the link and image title (appears as a tooltip)</li>
<li>Use a rel attribute for the link – great for lightboxes</li>
</ul>


FX Gallery Widget

Simple widget for displaying gallery images of current page or post, or from a specific post or page set by ID

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.

FX Gallery Widget vs Import External Images