ColorBox is an open source lightbox plugin for jQuery. It’s light-weight, easily customizable and supports IFrame content. Beautiful and attractive design with round edges.

Features

• Appearance is completely controlled through CSS so users can restyle the box
• Behavior settings can be over-written without altering the ColorBox javascript file
• Preload upcoming images in a photo group
• Completely unobtrusive, requires no changes to existing HTML
• Degrades gracefully, all content displayed can be accessed without JavaScript
• Only 12kbs of JavaScript
• Generates W3C valid XHTML and CSS

Released under the MIT License.

It has four different built-in skins for lightbox window. Use the style you like and enjoy!

Website: http://colorpowered.com/colorbox/

Demo: http://colorpowered.com/colorbox/core/example1/index.html