Slideshow requirements

Show enticing images to get the user to stay on your site and choose something

Requirements as for Galleries plus

Only one option displayed at a time
Transition between slides
Navigation
Effects

NextGEN slideshow

NextGEN supports slideshows as well as galleries using the [[slideshow]] shortcode.

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.