I just hope it's not too restrictive now. I mean, in the end the shop is meant to be profitable. But with too much restrictions, people may consider to not buy. I'm happy that music is not bound to a certain format. But if I read about the ebooks... Imagine a teacher having interest in an ebook to use parts from it in his class. He/she would have to buy 20 (or however many students there are) licenses of the same ebook! I think this will lead to the decision to better buy one printed book from another author in a local shop instead.
Also, the commercial project declaration is still not so obvious to me. If someone creates a game with graphics bought in the shop and then sells the game for pc, it surely is a commercial project. Half a year later, the game is so successful that additionally a free version with ingame-ads is published on (Kongregate/Armor Games/Fill in whatever you like). Now is it still 1 project? And if not: where is the threshold?
RE ebooks, at the moment we only have one. I understand the concerns, but it's not a big issue for now and the license as proposed is sufficient. If more ebooks start coming in and it becomes an issue, we can re-visit it.
RE: Commercial project, I would say a commercial project is a title, if you release "Dungeon Keeper 2" and create a free version it is still under the title so counts as one commercial project. I'll think a little more about how to phrase it.