I have a "Make Payment Here" button i would the customers to click on it and take them to a separate page where they can put the amount, the purpose of the payment and instructions then when they are done they click "pay" it will take them to papal page, they can use either PayPal or credit cards to make payment.
I have a sample site i will show.
The website contains flash, you must have knowledge in flash.
If you are familiar with such work please place your bid.