Photoshop creative studio has in built brush preset. We can easily add our custom brush in cs version.
Step by step guide to add your own custom brush in Photoshop cs4.
1. Create a new file using 32 by 32 pixel and rgb mode.
2. Go to http://www.freeiconsweb.com/ site search any icons in the size of 32 x 32, download it and save it into your system.
3. In photoshop import your downloaded icon, then go to Photoshop Edit menu click “”Define Brush Preset..” and name it.
4. Go to File menu, create a new file. Click Photoshop Tools->Brush and see the top bar. Photoshop has automatically put your own custom brush in preset.
(Towerfour Designer Team)