Credits:

CSS Grid:
Columnal by Pulp+Pixels: http://www.pulpandpixels.com/
http://www.columnal.com/
License: http://creativecommons.org/licenses/by-sa/3.0/us/

Drop Down Navigation:
Superfish
http://users.tpg.com.au/j_birch/plugins/superfish/

Lightbox:
FancyBox
http://fancybox.net/

Image Helper Class Code:
jordanlev & kirkroberts
http://www.concrete5.org/community/forums/customizing_c5/getthumbnail-function-fill-out-dimensions/#89293