There are a couple different ways to do it- 1.) mod your ps2 hardware or 2.) use a cd/dvd thing that you insert before putting in your import game. I've done this a lot with the PS1 and GameCube, and I HIGHLY recommend the second option. It's a lot easier and less of a headache if you mess up.
Here's a PS2 cd import loader thing (first product in the list):
well i personally like the game...it has a good battle system...allows for character customization which is really cool.....the game is 60% cinematics so if you like watching them then this is for you...