Hi
actually I do not want to waste this thread with suggestions to earn easier the money for this project.
But as a matter of fact, we all should not assume that what we know or feel comfortable with is the same for everyone on the internet. We all should know this, because we are all administrators on one or more forums, right?
So you always have 2 choices. Either make it, how you personally think is the best option or you make it, so that even the last internet user will understand it. Since you want to have their money, I would suggest option # 2
You have normally 5-10 seconds maximum. During this time, a user decides whether he looks more closely on a website or not. Do not even think that a user will search longer if he want to donate you something. If he is not finding what he is hoping for, i.e. a paypal sign on the first half of the page (without scrolling) he is gone and does normally not come back. it is called usability