You can have unlimited number of default Theme’s slideshows. You can simply add them with shortcodes and add images and text captions. This is a convenient way of having multiple slideshows with different images on several pages or posts.

Simple Nivo Slideshow

YOU CAN ADD LOVELY CAPTIONS TO EACH SLIDEYOU CAN ADD LOVELY CAPTIONS TO EACH SLIDEYOU CAN ADD LOVELY CAPTIONS TO EACH SLIDE
 

Nivo Slider with thumbs

YOU CAN ADD LOVELY CAPTIONS TO EACH SLIDEYOU CAN ADD LOVELY CAPTIONS TO EACH SLIDEYOU CAN ADD LOVELY CAPTIONS TO EACH SLIDEYOU CAN ADD LOVELY CAPTIONS TO EACH SLIDE
 

This is an example of a Gallery