You could use a plugin like http://wordpress.org/extend/plugins/wordpress-popular-posts/ to get a widget based on popular posts (I’ve never personally used that one) or write your own. Everything else is just HTML markup and CSS.
You could use a plugin like http://wordpress.org/extend/plugins/wordpress-popular-posts/ to get a widget based on popular posts (I’ve never personally used that one) or write your own. Everything else is just HTML markup and CSS.