Many WordPress slider plugins focus on one specific style or content type to showcase. jQuery Slider Shock is a new plugin that in many ways blows all the other slider plugins out of the water when it comes to customization options. It includes 31+ effects, 31+ customizable skins and the ability to change any design aspect.
jQuery Slider Shock is absolutely free, with an impressive list of features built-in:
Add thumbnails on any of the four sides of the slider
Create a video slider or get external sources
Add videos from any of your favorite videos host
Mix videos and images inside the slider