Have you seen the new Windows Live Toolbar (http://toolbar.live.com)? It comes with a new approach to develop custom buttons without coding. All you need to do is go to http://gallery.live.com/createcustombutton.aspx and fill the necessary information in the form. You can add RSS feeds, links and web page windows to your button with an icon.

There are many buttons that you can enjoy at http://gallery.live.com/ and you can download CS Update button here.