Just a few things i found while browsing the internet.

Take caution when using these, since these are Japanese programs, the readmes are not in English;P

The amazing paf.prx editor click me!

Allows to edit the position, size, colour and scrolling movements of icons.

The amazing vshmain.prx editor

Allows to sort the PSP menu how you want. Also allows you to move the date, clock hold[/align] and mute icons.

The amazing common_gui.prx editor

Allows you to edit the optionmenus, by changing the size and animation

Finally, the amazing music_main_plugin.prx editor

Allows you to edit numerous thing in the music player.

Wallpaper and Gameboot Changer

I believe this alternates the wallpapers and gameboots

PSPBTCNF.BIN Editor

Allows you to edit the PSPBTCNF.BIN

Prx compressor

Compresses your customized .prx files.

PSP flasher

Allows you to flash numerous files to the PSP's flash0

More to come!

nice!