A friend just brought this to my attention, since there's a theme listed on this "package" called "Blue Cubes" and I have a Kickass-Boxes in Blue which I've released for noncommercial use under the CC license. I'm not sure I should give this guy's site a link here, so excuse the copy/paste necessity-- please check this out.
One wonders how he can sell other peoples' work and profit from it (maybe even mine, though I'm not paying the dough to that wanker to find out.)
Just thought maybe everyone should know about this. I don't know what, if anything, can be done.