RuZniki

/*
 * Take a set of full height screenshots for a range of screensizes.
 *   phantomjs responsive-screens.js http://www.cnn.com/ png
 *
 * This will create a directory tree in your current directory which
 * mirrors the URL. All files will be named with the current time.
 * You can run this on a cron to build an archive of screenshots.
 **/

var page = new WebPage(),