The preview image is not very good. :[ Here's a sneak peek at what the brushes actually look like: [link]
This brush was made in Photoshop CS. I have included a imagepack in the zip file, so if you don't have that version or have a different program, you can use the brush too.
Also, check out my other brushes on my old account:
borders + stars :: [link]
splashes of ink :: [link]