Add S&H price based on shipping country given using PMPro and PMPro Shipping.

sh_pmpro_checkout_level.php

/*
	Add S&H price based on shipping country given.
*/
function sh_pmpro_checkout_level($level)
{
	//only for level 2
	if($level->id != 2)
		return $level;
		
	//check shipping country
	if(!empty($_REQUEST['sameasbilling']))
		$country = $_REQUEST['bcountry'];
	elseif(!empty($_REQUEST['scountry']))
		$country = $_REQUEST['scountry'];
	else
		$country = "US";	//assume US
		
	if($country == "US")
		$level->initial_payment = $level->initial_payment + 12.95;
	else
		$level->initial_payment = $level->initial_payment + 24.95;
	
	return $level;
}
add_filter('pmpro_checkout_level', 'sh_pmpro_checkout_level');