Part of the GNU community of free software, GIMP – an acronym for GNU Image Manipulation Program – offers a thrifty and capable alternative to pricey image editing software like Adobe Photoshop, ...

In my last article (LJ, February 2003), I described how to improve candid flash photos by removing red-eye using the GNU Image Manipulation Program (GIMP). In this article, I present another GIMP gem ...

GIMP is regarded as a free PhotoShop alternative. It’s robust enough to edit your photos professionally and allow you to create new graphics from scratch. One of the most used tools in GIMP is the ...

When using GIMP, it is possible to lighten and darken images by changing the contrast. The built-in color levels and curve tools also provide you with methods of darkening an image, but these ...

The Digital Photography School weblog describes 5 different techniques for spicing up your digital images by enhancing the contrast using curves, masks, dodging/burning, and a few other smart tricks ...