PSX2PSP – Compress and convert PSX's ISO to PSP's PBP | AppNee Freeware Group.
Tus juegos de PSX en tu PSP! - El blog de Xavi Gonzalez
Convert PSX Games To PSP Format with PSX2PSP - pspunk
Guide to: Converting PS1 games for PSP | Page 21 | GBAtemp.net - The Independent Video Game Community
Convert PSX Games To PSP Format with PSX2PSP - pspunk
PSX2PSP v1.4.2: How to Convert PSX games to PSP - CDRomance
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Raiden DX psx-psp convert by SleepyTim on DeviantArt
How to convert PS1 games to play on psp - YouTube
PSX2PSP v1.4.2: How to Convert PSX games to PSP - CDRomance