1: http://www.brusheezy.com/brushes
2: http://www.deviantart.com
3: http://www.kissmypixels.com/brushes.html
4: http://www.psbrushes.net/all_brushes_01.php
5: http://tutorialblog.org/free-photoshop-brushes/
6: http://getbrushes.com/brushes/photoshop/
7: http://www.bildirgec.org/etiket/brush