i use cloan Cd to make an image then use a program called
ppf o matic 3... but first i pay a visit to
http://www.megagames.com/ps2/ps2_patches.shtml and find the required patch... then i use ppf to apply to the whole image (saves pissin about extracin it!!) then burn the new image to a CD... i aint had any problems atall =)
hope this anwsers ya
...good luck