Unless it's changed from what they originally said, you will only get the freebies for the first 3 sets you pledged.

<t>For me at least, the Map Maker program does not work correctly in Google Chrome. When I load up Firefox it works fine. In Chrome, after laying a few pieces, it glitches and I can no longer put down any more tiles, and whatever tile I attempt to select appears in the top left corner of the browser...