Download Better Related Posts Widget

This plugin provides an advanced widget that allows you to display similar, or related, posts in any widgetized sidebar. Related posts are selected using tags, categories, or any custom taxonomy. When searching for related posts, the widget will choose posts that share between 1-3 like terms with the currently viewed post

Download 5sec Proper 404

stop hardcoding your 404 page in 404.php select any page to be used as the 404 page use 5 provided shortcodes (recent, popular, similar posts; search form, Google search widget) to make better, more useful 404 pages eliminate broken links and backlinks with a detailed 404 log