Once installed you need to download BIMP, the Batch Image Manipulation Plugin, and install it (see Wikibooks GIMP/Installing Plugins for the details). Again, easy-peasey.

Retouching, editing, adding effects—some image editing programs can easily rival Photoshop. Best of all, they’re completely ...

After seven years of work, the GNU Image Manipulation Program (GIMP) team has officially released GIMP 3.0, bringing a major update to the popular open-source image editor. A cornerstone of the ...