GREETING CARDS should be rated
Let's face it, how many crappy greeting cards have you run into? You can vote on the greeting cards there which is cool. Maybe that's why their greeting cards are good. They are looking for greeting cards artists who are passionate about one thing - making greeting cards. And yes, they are paying royalties.
See their greeting cards at http://greeting-cards-by-stars.com/greeting-cards/greeting-cards.htm