All things technical about photography
Cambridge in Colour
Photoshop
MSJ Photography – Photoshop tutorials and tips
Beginners Guide to Photoshop
Projected Images in Competitions
Links to articles about making composite images
Introduction to photoshop compositing for beginners.
How to Mask Hair Using Photoshop's New "Select and Mask" Feature
Julianne Kost on select and mask with Photoshop CC
Create a photomontage with GIMP
How to tone with adjustment layers in Photoshop
Creating perfect shadows in Photoshop
Add fog or mist to your images