Joomla 2.5.x - Joomla 3.x
Selec version jQuery
Random Images Option
Auto Start Slideshow
Ability to link the images
Switch Slide Numbers
the ability to specify colors from the admin panel navigation buttons
the ability to hide the navigation buttons
opportunity to ask each image its own effect of the appearance
description custom HTML
Able to make significant changes to the look & feel via css without overrides....
But that's why it's only a four-star review - I feel template overrides are necessary for something that's as vital to the look and feel of a site.