david wolfpaw

This plugin allows you to add a button to your site’s posts which will display terms and licensing for Creative Commons reposting, as well as the title and content of the post for easy sharing. This is useful for sites that want to easily and clearly share their content with others.
<h3>Usage</h3>
<ol>
<li>Install and activate the plugin.</li>
<li>Navigate to the Creative Commons settings page under Settings in the WordPress dashboard.</li>
<li>Edit the terms text andv select the license type that you want to use as a default.</li>
<li>On individual posts, you can select a different license type to use, or set that particular post to not Creative Commons licensed.</li>
</ol>

Creative Commons Post Republisher

I spent an entire afternoon trying different CC plugins, and this one was the ONLY one that did what I wanted. It has a meta box on every post that lets you choose the license for that page. Magic. 

Best I've found so far

This plugin allows you to add a button to your site's posts which will display terms and licensing for Creative Commons reposting, as well as the …

Shutterstock Plugins

The Shutterstock plugin for WordPress allows you to access our exceptional, royalty-free content directly from WordPress. You can search Shutterstock’s library, download images directly to the WordPress media library, put preview images on pages and posts, and license, download, and post images and editorial content without leaving the WordPress page editor. By helping streamline your workflow at the point of production and publishing, you can get your message to market more efficiently and effectively than ever before.
The Shutterstock plugin takes the complexity out of creativity and saves time, whether you’re creating a draft or publishing a full article.
<ul>
<li>Connect your Shutterstock account in minutes</li>
<li>Search across 350 million creative images and editorial photos</li>
<li>Preview visuals within your WordPress post</li>
<li>License with one click directly within WordPress</li>
<li>Define user permissions for each WordPress role to define varying levels of access to Shutterstock</li>
<li>Get Smart Image Recommendations based on your post content automatically</li>
<li>Access previously licensed content from within the Media Library and redownload on-demand</li>
<li>Access Premier support any time</li>
</ul>
By default, WordPress sites have access to a limited library of Shutterstock media. To connect the WordPress plugin to your existing subscription or access our full collection, fill out the form at <a href="https://www.shutterstock.com/design/plugins-wordpress" rel="nofollow ugc">https://www.shutterstock.com/design/plugins-wordpress</a>.
This plugin uses the Shutterstock API. For more information, see <a href="https://developers.shutterstock.com" rel="nofollow ugc">https://developers.shutterstock.com</a>.

Shutterstock

PHP 8.1
WP 5.8.3 (not supported yet?)

Fatal error on save with block editor, as reported on support. The problem was "just" a warning on previous PHP, reported and identified weeks ago, still no reaction.
 
No active support here.


Broke my editor

Insert Shutterstock's royalty-free content directly from the WordPress editor

Creative Commons Post Republisher vs Shutterstock