By: kelbytv.com/photoshopkillertips
Making quick changes to your blend modes.
http://kelbytv.com/photoshopkillertips/2010/02/03/changing-blend-modes-on-the-fly/?utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+PhotoshopKillerTips+%28Photoshop+Killer+Tips+%28Video%29%29