Photoshop Blending Modes for layers can be confusing but understanding the value and when to use them can make all the difference in your post processing. In this article which comes with a video tutorial and example images including one for you to try yourself, Darlene simplifies blend modes to help you understand and learn to apply them in your photography.
How to Use Adjustment Layers in Photoshop for Tone Control
In this video tutorial I demonstrate how to use adjustment layers to do non-destructive editing for tone control in your images. This is helpful to direct the viewers eye to the subject. The sample image file is provided for you to download and follow along with the tutorial.