Automatically append the next page of posts (via AJAX) to your page when a user scrolls to the bottom.
Gain more post views by allowing your site viewers to continue reading your blog posts as they scroll down the page.
Infinite scroll extended to single post pages
Infinite scroll for your site with “paginator” and an easy way to go to the top/botttom.
EasyScroll adds an endless feed of posts to your site wherever you choose (even custom post types!).
With FlickrFlow you can create pages with an infinite stream of Flickr photos.