I just found this forum, so I want to start with some older work :
http://www.samshuijzen.nl/sam/termids/toon01.html
These are 17 HTML-pages with one terrain-image, plus an embedded MIDI file for the sound.
I was never that experimental with the old TG although the scenes with hand made heightfields have got me thinking.
Some cute experiments there, although the music is *really* annoying.