It sounds like you're looking for a for Tekken 5 on PS2 that actually works (unlocked characters, movies, galleries, etc.).
If you are looking to download these files for use on real hardware or an emulator like tekken 5 100 save game ps2 work
: In MyMC, open your PCSX2 memory card file (usually found in Documents\PCSX2\memcards ). It sounds like you're looking for a for