HELP

I'm playing final fantasy 8 using an eboot on a psp, and the game keeps freezing whenever a battle is going on(every time I'm drawing magic from an enemy). HELP! I'm downloading the .img file from romulation.net, and I'm converting it using a popstation from zingaburga. I've followed the tutorial posted in this forum, but the game still keeps freezing no matter what i do. Please help..... I'm tired of the game freezing every time i play. Thanks in advance