How To Get More Credits On Poptropica Without Spending Mooney Help On Poptropica?!?!?!?!?!?!?

Help on Poptropica?!?!?!?!?!?!? - how to get more credits on poptropica without spending mooney

The Poptropica I do not know how to make more loans. I have the thing Poptropica first, but what can I do in the rest of the islands in order to deceive your medal, to get to earn more credits? Because I do not really buy too. I would look into the responsibility of my theme!