EN
Photoshop contest GIMP Layer Tennis Layer Tennis Photochop Photoshop battle
EN
A Photoshop contest, or sometimes Photoshop battle, is an online game, in which a website or user of an Internet forum will post a starting image — usually a photograph — and ask others to manipulate the image using some kind of graphics editing software, usually Adobe Photoshop, however other editors are commonly allowed, such as Corel Photo-Paint, GIMP, PaintShop Pro, Paint.
Wikipedia