Downloading and sharing custom-made Photoshop brushes has become a common practise all over the internet forums. Whether for experiment or a certain purpose, there is a broad variety of resources. Rarely one can estimate the actual use of a brush-set before loading it into Photoshop.
ABRView is a little software that enables you to preview single brushes and helps you to pick the one you were looking for. Get this application (64KB) for free at easyelements.com