Help weather and clock scene


Hi all, I'm new on here and today recieved my first android phone.....woop woop. anyway slowly finding my way round it and great fun. My question is....I have put the weather/clock widget/scene thingy on my home screen and have set my current loction, thats fine and it shows the weather. but i wanted my parents city displays with the other clock and weather, please could someone tell me how to do this. thanks very much.