You can setup different shipping methods using different destinations (e.g., countries) and different rate structures, either real-time or tablebased. You can also specify different carriers for different destinations, if needed.
Sorry, I am unable to help with your Paypal question.
Bob
This is the response from cs-cart agent:
“Please let me explain. The currency you choose at PayPal configuration page must be the same as base currency set in your store. So, if you have EURO set as based currency in the store then PayPal currency must be EURO too, and same for USD.”
To bypass this we have made our mod.