see wat this site cn do for u..... its all about PSX games bt yea.. ermm give it a read
http://forums.maxconsole.net/showthread.php?t=51852
plz, dont talk too much about other modding sites
ability to run psp games off MS, is called a iso, illegal but worth it if you have the memory amount
psx- look for psx emulator for 3.xx fw you have (need CFW)
themes, icons, etc- called themes
best bet is to pandora, then update to 3.90 m33-2, its the most current atm
and best to get the 1.50 kernal addon....if they have it for slim
dark-alex.org is your best bet for the m33 firmwares and addons etc