It's pretty simple. All you have to do is buy some eCoins. If you're a new member to Fantage, you automatically get 500 free eCoins. You can also go on your Email and Fantage might have sent you a...
They may have had a paid membership and then changed their membership to the free Basic Membership. When that happens, they get to keep two moshlings, so they are able to keep moshlings they had on...