I can't help you with the MP3s right now, because I no longer have webspace (diddly-darn), although I can send the Ringo-chan songs over MSN or the like if no one else has them. Can't help with the Ryoko song though.
As for your questions:
- the vinyl version of Kuki (STEM) has the same arrangement as the CD version, but has English lyrics instead
- as for track 13, 'Medo' - if we're talking about the same b-sides collection that floats around on P2P programs and the like; it's in fact a song called Creep. The original is by Radiohead and can be found on their CD Pablo Honey. Ringo-chan never released it, she just covered it live once.
- the only officialy released demo tracks will be ones you find on singles, there hasn't been a b-sides or demo collection. Mostly they're rips from videos, etcetera.
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here's all you need to know about A New Way To Fly
- the 3:35 one, the 4:03 one can be found on Muzai Moratorium
As for the pic, I may have one, but I'm not sure. If I find it, I'll post it.