[Plugin: NextGEN Gallery] Adding a NextGEN slideshow to the Header

How can I upload a Slideshow into the Header of my Website using NextGEN Gallery? I have uploaded images that change randomly when I change pages but I would like to display a Slideshow that displays in the Header of every page.

http://www.yogawithgranville.com

Thanks.

http://wordpress.org/extend/plugins/nextgen-gallery/