In the Layers pane we need to right-click on the layer we have coloured blue and select ‘Add Layer Mask’, stick with the default settings and choose a small, soft-edged Paintbrush.

The technique makes use of layers and layer masks in The GIMP, so it is important to have a basic understanding of what these are beforehand. The next section introduces these concepts and provides a ...

GIMP allows you to combine multiple images using layers, and to blend everything together using the color picker tool to match the background colors.

For more fine-tuned blending, you can apply a white layer mask to the top layer using the "Layer" drop-down menu. With a white layer mask, when you paint over the top layer, the bottom layer emerges.

Jack Wallen/ZDNET 2. Layer masks Layer masks are as essential as layers in GIMP. With layer masks, you can selectively modify the opacity/transparency of a layer.

GIMP has matured into a truly incredible photo-editing program. If you’re coming by way of Photoshop, however, use these tips to ease the transition.

New features in GIMP 3 include non-destructive filters, improved text editing, and simpler layer management. Working with filters, layers, and text is much easier in this latest release.