KelbyOne - Mastering Channels and Masks in PS CS5

https://members.kelbyone.com/course/corey_cs5_ps_channels_masks/

In this course you will explore the various ways you can utilize channels in Photoshop to make adjustments, create complex selections, advanced masking techniques, special effects, and so much more. When working with so many different type of images in Photoshop there are always going to be different scenarios that require a variety of tools and techniques. This course is packed with different and effective techniques that, by the end, will equip you with an arsenal of selecting and masking tricks up your sleeve that will allow you to approach virtually any scenario Photoshop throws at you.