I know this is a very late response, but I don't check this account much. A number of people seem to have had this problem, so I think it's an issue with dA. I will probably have to re-upload files, but this is not something I can get to soon (and some of these files might be lost as well). If you're still interested in the brushes, you can download most on my website [link] or you can check back within the next month or so. I will try to correct the problem as soon as I can. Sorry about that!