File Assistant is a file management tool for your PSP by 71M. Changes according to the readme:

[!] Fixed music playback not stopping when selecting a new file.

[+] Added simple file information dialog box.

[!] Shazz fixed the executable loading.

[+] Config.xml contains all user options.

[~] Current folders are saved.

[~] Folders will automatically refresh.

[~] Option to hide corrupt files.

[~] USB can be turned off at startup using config.xml

[+] Progress bar now shows duration for copying files.

[+] Selecting multiple image files will trigger slideshow mode, use L/R Triggers.

[+] Images can be flipped and mirrorred, bugs out on large images.

[~] Start hides UI when viewing images.

[+] Skin.xml can now be used to edit the look of the skin.

[+] If background.png exists in your skin folder it will be displayed.

[+] PBP icons are displayed as background when selected (only v1.0 PBPs)

[!] Skin selector now works!

[~] OSX skin included, with traditional FA style view.

http://tmpstore.free.fr/FileAssistant/viewtopic.php?t=40