Tips And Tutorials: Editing Images

Note: Image editing software tutorials are often product specific.  They may still prove useful even if not using the specific product featured in the tutorial.  The methods used can often to adapted for use with other image software.

Adjusting Light/Dark
Lightroom: how to use the Histogram to fix exposure and reveal hidden detail 
Ultimate Guide to the Dodge and Burn Technique, Part 1: The Fundamentals
Ultimate Guide to the Dodge and Burn Technique, Part 2: Setting Up for a Good Start
The Ultimate Guide to the Dodge & Burn Technique – Part 3: Curves Setup & More

Color
How to Use LAB Color in Photoshop to Add Punch to Your Images

Layers
A Beginners Introduction to Using Layers

Special Effects
How To Do A 2.5D Parallax Animated Photo Effect Using Only Free Software
Using Clipping Masks and Drop Shadows to Turn Any Portrait Into a Sculpturesque Image