PSP coder spike_132000 has updated his PSPInstaller, a handy file uploader for the PSP that lets you download homebrew files straight from its repository, it is similar to the iPhone's Cydia application.
* SIGNED EBOOT - Should work with OFW / CFW
* Full Code Rewrite (Now 400(ish) Lines shorter then PSPInstaller V3.XX)
* New User Interface
* Menu Sounds
* Left over ZIP file removal upon restart.