2checkout setup

This is our product page: http://www.english-by- [login to view URL] We have only 6 products. This is one of our payment page (out of 6): [login to view URL] We want to change the plimus payment links for 2checkout. We would like to keep the same layout, the same design and the same option. About the "option"; We need a check box which will add a fix amount of money per package for the extra connection fee. Please post only 1 example from your portfolio of 2checkout integration. Thank you!