Derrick Tennant

This plugin adds attribution inputs to the media uploader and “edit media” page. It includes a number of creative common license, public domain, fair use, and standard copyright. It will link back to the author’s page at either the end of a post/page and/or the attachment page. If you have a Flickr API key, it can automatically pull information for Flickr images (copyright, author name, title, description, etc). 
It adds a few settings to the Media settings page. You can add a Flickr API key, or display Creative Common logos for their respective licenses.
To style the attributions, I’ve added these CSS classes:
<ul>
<li>a2k-container – A div that contains all of the other elements</li>
<li>a2k-sources – Contains the text “Source:” or “Sources:” depending on the context</li>
<li>a2k-title – The attachment title</li>
<li>a2k-copyright – The copyright information. It may or may not contain an img tag, depending on your settings</li>
<li>a2k-author – The author information. If an author link is provded, it will contain an a tag.</li>
</ul>
Feel free to contact me, emrikol@gmail.com, if you have any problems or questions.

Attributron 2000

Easily add attribution to attachments and have them displayed on your posts.

Rolly Bueno

Bueno Consulting

Open Source Media Connect is a powerful and user-friendly WordPress plugin designed to seamlessly integrates with the Openverse API to enable users to search and embed open-source images directly into their posts and pages. The plugin features a straightforward setup process with a single configuration option in Settings → Open Source Media for connecting to the Openverse service.
Once configured, users can easily add open-source images using the Open Source Media block. The block offers a comprehensive set of features:
– Keyword-based image search 
– Customizable image settings including caption and alt text 
– Flexible sizing options with size classes 
– Adjustable media width 
– Optional media attribution display
<h3>External Services</h3>
This plugin uses the <a href="https://api.openverse.org/" rel="nofollow ugc">Openverse API</a> to search open-source media and place it inside your posts or pages as an image block. This service is provided by <a href="https://openverse.org/" rel="nofollow ugc">Openverse.org</a>, which is part of the wider <a href="https://wordpress.org/" rel="ugc">WordPress.org</a> project, giving you a vast catalog of openly licensed images at your fingertips.
The following information is required to interact with the Openverse API:
<ul>
<li>Client ID & Client Secret – Used to request an access token.</li>
<li>Token – Necessary for accessing the <a href="https://api.openverse.org/v1/#tag/images/operation/images_search" rel="nofollow ugc">image_search</a> endpoint.</li>
<li>Search query – Required for searching images; can also serve as optional alt text.</li>
<li>Site Name – Provided as the value for the name field during <a href="https://api.openverse.org/v1/#tag/auth/operation/register" rel="nofollow ugc">API registration</a>.</li>
<li>Admin Email Address – Provided as the value for the email field during <a href="https://api.openverse.org/v1/#tag/auth/operation/register" rel="nofollow ugc">API registration</a>.</li>
<li>Site URL – Combined with the phrase “WordPress integration for” to form the description field during <a href="https://api.openverse.org/v1/#tag/auth/operation/register" rel="nofollow ugc">API registration</a>.</li>
</ul>
This plugin uses the provided information to request your Openverse Client ID and Client Secret. These credentials are then used to obtain an API token, which is valid for up to ten hours and is automatically renewed whenever you perform an image search using the Open Source Media block. Your search query is used to find matching images on Openverse, and the token is required to connect to the Openverse API’s media search endpoint.
This plugin does not track users or collect any personal data beyond the information listed above.
For full details, see Openverse’s terms, privacy, API documentation, about and license:
<ul>
<li><a href="https://docs.openverse.org/terms_of_service.html" rel="nofollow ugc">Openverse Terms of Use</a></li>
<li><a href="https://openverse.org/privacy" rel="nofollow ugc">Openverse Privacy</a></li>
<li><a href="https://api.openverse.org/" rel="nofollow ugc">Openverse API</a></li>
<li><a href="https://openverse.org/about" rel="nofollow ugc">About Openverse</a></li>
<li><a href="https://creativecommons.org/share-your-work/cclicenses/" rel="nofollow ugc">Creative Commons License</a></li>
</ul>

Open Source Media Connect

Search and embed open source images from Openverse directly in your WordPress posts and pages.

Attributron 2000 vs Open Source Media Connect