Power comment plusgin: paginate , ajax, and more

when you want add paginate in the comment, you can use plugin:

wp-comment-master

demo

How to show videos on lightbox

The WordPress Video Lightbox plugin allows you to embed videos on a page using lightbox overlay display similar to the one shown below. This plugin can be used to display images, flash, YouTube, Vimeo, iFrame etc in a lightbox overlay. The embedded videos can be viewed on iPhone and iPad too. The plugin uses the PrettyPhoto JQuery Library.