• Drop Shadows
• Unsharp Mask
• Adjusting Contrast
• Bump Mapping
• Image Watermark
• Gradients Tutorial
• Colour Enhancing
• What are Layers?
• GIMP Interface

GIMP Levels & Gamma tutorial

Create and assign mode to new layer

On the main GIMP toolbar, open the layers dialogue found under

Windows » Dockable Dialogs » Layers

In the layers dialogue click Duplicate to create a copy of your image and change the Mode to Value