How to master posterization with our photo software / photoshop plugin. Now you can posterize color and brightness independently and mix the result with the original to any degree and with various blending modes. This opens new possibilities for graphic design and photo retouching. Power Retouche Photoshop plugins are also for Paintshop Pro, Corel Draw, Illustrator, Fireworks and other graphic software or photo software for photo editing, retouching and restoration