ColorBox lightbox image overlay for WordPRess.
http://wordpress.org/plugins/lightbox-plus
Widgets · WordPress Plugins
Get access to data on 334,831 websites that are Lightbox Plus Customers. We know of 148,166 live websites using Lightbox Plus and an additional 186,665 sites that used Lightbox Plus historically and 73,420 websites in the United States.
Get a list of 334,831 websites using Lightbox Plus which includes location information, hosting data, contact details, 148,166 currently live websites and 186,665 sites that used this technology previously and 73,420 websites in the United States currently using Lightbox Plus.