If you are looking for high-quality PKG conversions, you need to understand the scene. The "better" PKGs usually come from specific groups or tools:

El 90% de los sitios web genéricos llenos de publicidad ofrecen PKG corruptos. Para conseguir el debes acudir a comunidades especializadas.

Para encontrar estos archivos fácilmente, usa estas búsquedas en Google:

For owners of a jailbroken PlayStation 3 running or CFW (Custom Firmware) , the PKG format is often the preferred way to play. Unlike ISO files or folder-format games that need to be "mounted," PKG files install directly onto the XMB (the PS3 main menu), behaving exactly like digital games bought from the official PlayStation Store.