ThickBox Content provides a quick and easy way to insert any type of content into a thickbox (via page/post editor). It supports thickbox iFrame, Ajax …
This plugin adds a button to the text editor’s toolbar and allows to display your content in a thickbox effect. The plugin can include any inline content, iFramed or Ajax content located on other pages.
Check out a quick Demo Video
Note: Images will open up in a Thickbox when you insert them via media library as a thumbnail with a link to the original size. Simply add class=”thickbox” to the element around the image.
For detailed information visit the official site.