Erin Quigley, a digital imaging consultant specializing in customized workflows and editing strategies, has posted the first part of a series entitled “Essential post processing for Underwater Photographers” on Vimeo. Erin is using Lightroom 4 for the series, and in the video, makes the excellent point that the editor’s eye will become accustomed to any color cast unless he or she uses the “" or “Y” shortcuts to toggle before and after views.