You can encourage your blog authors to publish more content for your website by displaying their name in a stylish top author widget that automatically shows author with most published post. This is an awesome feature for multi-author WordPress blogs. Stylish Top Author Widget is the new WordPress widget that lets you do this very easily in a beautiful, stylish way with animation.
Simply install and activate Stylish Top Author Widget plugin. Upon activation visit your admin area Dashboard -> Appearance -> Widgets page and drag drop Stylish Top Author Widget to sidebar or any other widget area your theme provides you. The widget allows you to set custom Width of the icon, Icon Link For Title and Number of Authors to Show.