Often you will include in your site an pictures gallery, in this case you will need an way to organize this gallery, to navigate, zoom, etc.
For this you can choose from several plugins:
This is exactly the same as Lightbox JS, but written on top of jQuery library.
jQZoom allows you to show a magnified image of the thumbnail. This technique is commonly used in eCommerce websites (check out the Gap site for a sample).
Organize your Gallery and Slideshow
images on your website.
Coda Slider is a jQuery plugin that imitates the panel sliding effects as seen on the Coda website.
This is a tutorial from jQuery For Designers to show you how to create the Coda panel slider.
jQuery Tabs is a powerful and flexible jQuery plugin that lets you create customizable tab navigation (highly recommended).