Slideshow requirements
Show enticing images to get the user to stay on your site and choose something
NextGEN slideshow
NextGEN supports slideshows as well as galleries using the [[slideshow]] shortcode.
Nivo
Introducing the oik nivo slider... none of the other Nivo sliders did what I wanted.
Portfolio Slideshow
[[portfolio_slideshow showcaps=true]] - example of a slideshow displaying the captions for each image. Clicking on some of the images will take you to the post for that image.