Where can you download FIFA 09 for psp?

DISCLAIMER: I do not condone piracy, and I'm assuming it's a backup of your own disc.

DISCLAIMER 2: The process of installing custom firmware can permanently break your PSP if done incorrectly. I am not responsible for any breakages

To load the ISO, you will need to have a custom firmware on your PSP. This is a firmware that has been reverse-engineered to add community-desired features, such as homebrew capabilities. The method to install one depends on a) the firmware you install, b) the current firmware of your PSP and c) the hardware model of said PSP. Once you installed it, plug in your memory stick to your PC and make a folder called 'ISO' at the root of the memory stick (so it looks like eg. X:\ISO), and put the ISO file in there. On the PSP go to Game > Memory stick, and it should appear there