Photoshop brushes, or PSD brushes are exactly what you think they sound like. They are brushes that allow you to draw your shape, design in the way, texture of the brush you downloaded. Photoshop already has the default circular brushes, but if you wanted to make your brush a little more jagged, you can do that. The following websites below will allow you to get the best brushes available. I tried to find the highest quality sites that have the best selection of photoshop brushes. Using the following PSD Brushes will enhance your designs on flyers as well as printed brochures.