GREAT! glad to hear you've got PART of what you were looking for anyway. i've still not been able to get PSound to work right for me.
as for movies it appears as though the only cutscenes you can "rip" from the disc directly are in the PSS directory. it's only 6 files, and 2 are the Capcom logo, and 2 are the end credits. it APPEARS as though the regular cutscenes are just "programmed" character movements of the in-game characters with the sound files added in to make it appear to be "movies". you might have to actually play through the game and capture the video to your PC...
if you want the PSS's, you can use PSS Plex to extract the PSSes into MPEG-2 and WAV audio files. TMPGEnc can re-multiplex them into an .mpg file you can use.
Playstation 2 Utilities - Zophar's Domain
i've not worked much with textures and images, maybe somebody else can help you with that one.
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darkflux