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.

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.

If you read my earlier tutorial on layers and layer masks (see “Fixing Photo Contrast with The GIMP”, LJ, April 2003), you might remember that we can control the blending of layers using a layer mask.

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.