jQuery SerialScroll plugin allows you to easily animate any series of elements, by sequentially scrolling them. It uses jQuery.ScrollTo to achieve the scrolling animation. It is a very unrestricted plugin, that lets you customize pretty much everything from outside. You can use horizontal or vertical scroll, also combined.
You can certainly use it as a screen slider. That is, to sequentially navigate a group of screens.
This plugin can also animate a text scroller in no time.
It can definitely handle slideshows, the high customizability of the scrolling effect lets you create beautiful animations.
You can even build an automatic news ticker!