Changing memory sticks

hi, originally i had a 1gb memory stick but have just purchaced another 2gb one, straight away i put a game iso on to it but it didnt have meny psp files on it. and i cant find the game using my psp. im using 3.03 eo-c. im wondering what i need to do to be able to use both mem sticks as storage. thanks

I just told you how over msn?

yea i posted this b4 i asked u dude