[Plugin: NextGEN Gallery] Slideshow not showing

I’ve added a slideshow at the bottom of the home page here:

http://minickmaterials.com/

… and it is perpetually loading. I have 22 image, thumbnails have been generated, and I only have one gallery. My embed code is:

[slideshow id=1 w=445 h=296]

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