Ondrej Donek

Main features:
<ul>
<li>enable simple building of image galleries (it not uses built in media support). Is targeted for sites where is <a href="https://wordpress.org/" title="Your favorite software" rel="ugc">WordPress</a> used as a CMS</li>
<li>contains two widgets, one with the list of available galleries and second with images from the selected (or latest) gallery. This widget could be used on the main page of the site</li>
<li>you can create galleries by two ways: using upload wizard or your favourite FTP client. If you are using the plugin upload wizard images are automatically resized.</li>
<li>offers English and Czech locales</li>
</ul>

odPhotogalleryPlugin

Plugin for creating image galleries and publishing them with your posts.

Mark Westguard

Image Roulette is a plugin that allows you to create galleries from your Media Library and display a random image from those galleries using either shortcodes or Gutenberg blocks. Perfect for displaying rotating testimonials, featured products, random artwork, or any content where you want to show variety.
<h4>Features</h4>
<ul>
<li>Create Custom Galleries: Organize your Media Library images into custom galleries</li>
<li>Random Image Display: Show a different image each time the page loads</li>
<li>Gutenberg Block Support: Native block editor integration</li>
<li>Shortcode Support: Use anywhere shortcodes are supported</li>
<li>Flexible Image Sizing: Choose from registered image sizes or set custom dimensions</li>
<li>Aspect Ratio Preservation: Smart resizing that maintains image proportions</li>
<li>Accessibility Ready: Full support for alt text, captions, and screen readers</li>
<li>User-Friendly Admin: Intuitive interface for managing galleries</li>
<li>Bulk Operations: Select, edit, and delete multiple images at once</li>
</ul>
<h4>Usage</h4>
Creating a Gallery: 
1. Go to Settings → Image Roulette in your admin dashboard 
2. Click “Create New Gallery” 
3. Enter a gallery name 
4. Select images from your Media Library 
5. Save your gallery
Using the Block: 
1. Add the “Image Roulette” block to any page or post 
2. Select your gallery from the dropdown 
3. Configure image size settings 
4. Publish your content
Using the Shortcode: 
 [imagro id=”gallery_1″]
Shortcode Parameters: 
* <code>id</code> – Gallery ID (required) 
* <code>size</code> – Registered image size (thumbnail, medium, large, full) 
* <code>width</code> – Custom width in pixels 
* <code>height</code> – Custom height in pixels
Examples: 
* <code>[imagro id="gallery_123" size="large"]</code> 
* <code>[imagro id="gallery_123" width="300"]</code> 
* <code>[imagro id="gallery_123" width="400" height="300"]</code>
<h3>Credits</h3>
This plugin was inspired by a request from @michelleames for speednetworkonline.com to create an accessible random image block.

Image Roulette – Random Image Block

Display a random image from your Media Library galleries with full accessibility support. Spin the wheel of images!

odPhotogalleryPlugin vs Image Roulette – Random Image Block