Erin Quigley has posted a tutorial on backscatter removal using Photoshop CS6 onto Vimeo. The technique uses a combination of selections, layers, the move tool, Gaussian blur and adding some noise.
Erin is a digital imaging consultant specializing in customized workflows and editing strategies using Adobe Photoshop and Lightroom. She is an award-winning underwater photographer and video editor, and creator of GoAskErin.com, which provides custom tutorials and one-on-one digital solutions specifically developed for the underwater photographic community. She is A.C.E Adobe expert certified, and a presenter at The Digital Shootout, where she also runs the Go Ask Erin digital help desk.