GraphicAddiction

Any psp tutorial will work if you have basic knowledge of the program.
Here’s one of my fav sites to go to for psp tutorials.
Click on any of the members and it will take you to their site.
http://www.tutorial-writers-inc.com/members1.html

Here’s some I found just by using the search and typing in ‘pspx2 tutorials’
http://byudragon.com/Tutorials/PSPTuts.html
http://www.khiba.com/PSP/Winter07/index.htm
http://loriweb.pair.com/howto.shtml#pspX2
http://home.roadrunner.com/~suzshook/12tips.htm
http://community.livejournal.com/icon_tutorial/
http://users.adelphia.net/~suzshook/12tips001020.htm
http://search.yahoo.com/search?p=pspx2+tutorials&fr=ush-ans
http://www.google.com.au/search?hl=en&client=firefox-a&channel=s&rls=org.mozilla%3Aen-US%3Aofficial&hs=7uJ&q=pspx2+tutorials&btnG=Search&meta=

Hope this helps =)