What problem are you having with pspvideo9?
Using those profiles i posted you should be able to just click 'transcode new video', choose the video you want to convert, choose a profile from the dropdown list and hit start. Works perfectly for me.
Media manager blows, it doesnt support divx/xvid source files.
EDIT: I'm sure I've said it before, browse around the
pspvideo9 forums and you will find solutions to any issues you may run into. If you cant be bothered spending a little time to get a free program set up nicely then just buy UMD video discs.