microlightstore

worldwide shipping costs , please can someone help me , i need to be able to change the cost of shipping worldwide easily , can anyone please advise how to do this or if there is an addon to be able to use shipping rates by uk postal service based on cost of the item and ability of customer to be able to pay additional insurance on the item , i would be grateful if anyone can advise me , i do not have a great ability so an easy option if there is one would be great thanks Richard