PSP Video 9

PSP Video 9 is a free PSP video conversion and management application. It can convert regular PC video files (avi, mpeg, etc) into PSP video files, as well as manage/copy these PSP video files between your PC and PSP.
When combined with another application, Videora + PSP Video 9 form the first PSPcasting solution, allowing you to download, convert and copy video to your PSP, automatically using BitTorrent and RSS technology.