America likes its lists, and here's one any Photoshop user will want to know. Imaging expert and award-winning author Deke McClelland presents his list of the top 40 features in Photoshop—beginning with #40 and working his way up to #1—one weekly video at a time. Some are tools, others are commands, and still others are conceptual. All are invaluable. Learn these 40 features and you'll know Photoshop. The "Photoshop Top 40" is presented by dekePod and lynda.com.