CantonBolo

Features: 
1. In addition to the jQuery library, only need to load some little JS files and some little of CSS files. 
2. The output code of the plug-in on the page in line with W3C’s XHTML 1.1 and CSS 3 standards, and the code structure is very simple. 
3. When deactivated，the images calling code generated by the plug-in will not cause any adverse effects.
This plugin allows you easily to make <a href="http://flowplayer.org/tools/demos/overlay/gallery.html" rel="nofollow ugc">Overlay gallery</a> popups on WordPress.
这个插件助你在 WordPress 中轻易地使用 <a href="http://flowplayer.org/tools/demos/overlay/gallery.html" rel="nofollow ugc">Overlay gallery</a> 相册功能。
<h4>Supported Languages:</h4>
<ul>
<li>US English/en_US (default)</li>
<li>简体中文/zh_CN (translate by <a href="http://imbolo.com/" rel="nofollow ugc">bolo</a>)</li>
</ul>

Overlay4WP

Easy to use Overlay popus gallery in WordPress.Base on jQuery Library.

Matteo Enna

My Wine Repository

Media Image Credits is a lightweight WordPress plugin that allows you to:
<ul>
<li>Assign credits to each image in your Media Library</li>
<li>Automatically display them on the frontend using JavaScript</li>
<li>Choose the display style: below the image, overlay, top-right, info icon, or small text</li>
<li>Disable display if needed</li>
<li>Output a complete list of all image credits with a <code>[image_credits_list]</code> shortcode</li>
</ul>
Perfect for blogs, magazines and editorial sites that need proper image attribution.

Async Image Credits – Lightweight automatic image credits

Add visible credits to media images using JavaScript and configurable templates. Works automatically and includes a shortcode.

Overlay4WP vs Async Image Credits – Lightweight automatic image credits