ThickBox Content (thickbox-content) free WordPress plugin

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

Notes

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.