Related posts

Do you know how to put under every posts links on related posts?

I use the this theme http://www.blogohblog.com/wordpress-theme-blog-oh-blog-v20/ and this theme has a special space for related posts – check the testrun of this theme http://wpthemes.blogohblog.net/?p=6

Please help me. How I can put links on related posts under my articles?

p.s.: sorry for my english language 🙂