One of the great tricks to keep traffic in site and lower the bounce rate on CMS and Blogs platform is the related posts / articles at the end of the content. here are some great wordpress plugins that will do that job.
LinkWithin is a blog widget that appears under each post, linking to related stories from your blog archive. looks very neat and professional and works smooth as well. you can see it in action on the bottom of every post here on our website and also here: http://blogs.nationalgeographic.com/intelligenttravel/.
gives you a list of posts and/or pages related to the current entry, introducing the reader to other relevant content on your site, features: templating (you can customize yourself the way it will display the results, disallow certain tags or categories and much more. very recommended!!!
This plugin will output a series of “related” entries based on keyword matching.
you can limit the results, include excerpt and decide the html tags before and after the related entries.
This plugin displays a list of posts which are related or similar to the current post. excellent plugin with a great support.
WordPress Related Posts Plugin will generate a related posts via WordPress tags, and add the related posts to feed.
Hope you will find the plugin that fits you best. tell us what you think.