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For those who have gotten used to your reference hunting via Google image ripper/greasemonkey but have been outfoxed by the upgrades of google to the way their image searches work, well some kind folks have upgraded the greasemonkey scripts to version 1.5
http://userscripts.org/scripts/show/105523
And hurrah, full sized images are back again thus leading to a more sane way to search for your image referencing, as all responsible pro concept artist should for your day to day production.