NOW YOU CAN use your standard MEMORY STICK ON YOUR PSP!
Sony PSP Memory Stick Convertor
Allow you to use any Memory Stick on your PSP
SONY PSP! With this adaptor, you can get more movies, games, videos, music, pictures, and data onto your PSP. It is compatible with today's largest memory stick size (4GB) and will support future sizes such as 8GB, 10GB, 12GB and so on!