photoshop
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Gimp Tutorials in this review includes handpicked selection of creative Gimp tutorials for intermediate and advanced users. Gimp is a free multiplatform image editing tool, using Gimp you can achieve pretty much everything what can be done in pricey Photoshop.
70 creative Gimp tutorials
On this tutorial we will learn how to create a peeling skin, for this we need a image and a texture image.