Requires a custom firmware (CFW) or a specific software tool that allows the installation of CTF themes. Users must ensure their PSP is appropriately prepared (i.e., having a compatible firmware version) to install and use these themes.

The "free" aspect is crucial here. The PSP modding community was built on the ethos of sharing. Forums like Consolespot, Wololo, and various archived Reddit threads served as galleries where artists would spend weeks vectoring custom icons, only to release them for free.

Since many original hosting sites (like NicoBlog) have changed or gone offline, users now rely on community archives: GitHub Collections : Archives like the Shenron0 PSP-Themes repository host a wide variety of CTF files directly. Reddit Communities