How to get more brushes.

My favorite artist on deviantart is: [link]

Click the download button.

Extract it to:
C:\Program Files\Adobe\Photoshop CS4\Presets\Brushes

Open Photoshop, click the brush on the side bar then up at the top there is a drop down arrow button
it will say Brush: (with the current brush in use) with a small arrow pointing down v click this arrow button a box will appear there is another arrow button in a circle, it is on the right side at the top, click this, in the 5th section 'Load Brushes' click this find the same C:\Program Files\Adobe\Photoshop CS4\Presets\Brushes (open) find your new brush you downloaded and load it.