The S5 Tab Show can be demo’d on this page.
The widget holds up to 10 actual widget positions so you can publish any of your favorite widgets to one of the slides and keep your site clean and consolidated while giving it a nice effect. Simply publish the s5 tab show widget to your desired widget position and pages. Then start publishing widgets to the positions in the tab show (s5_tab1, s5_tab2, etc); these widgets will become the slides. There is also an automatic advance feature that allows you to automatically advance through the slides are your own specified interval.