[Plugin: Slideshow Gallery] Lightbox not working

Hi,
I used Slideshow Gallery 2 Version 1.1.4 on http://atv5.mywebsitelead.com/latest-projects/1113/. It’s a great plugin! However I’m having a problem with lightbox. How do I make the lightbox work?

Thank you!!!

http://ww.wp.xz.cn/extend/plugins/slideshow-gallery-2/