Door: kelbytv.com/photoshopkillertips
Slow down the action to get a better idea of what it is doing.
http://kelbytv.com/photoshopkillertips/2009/11/03/learning-from-your-actions-2/?utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+PhotoshopKillerTips+%28Photoshop+Killer+Tips+%28Video%29%29