Thanks ... nice helpful HOW-TO for noobies.
I also had trouble finding it just now ... but then ran across this: (have not tried to see if it actually works ... post back if it's successful):
(Not sure how that's supposed to work ... but interesting concept).
(Edit: 1st link was unsuccessful ... I updated it)
(2nd Edit: the download from "//archive.cs.stedwards.edu/knoppix/" crawls along like molasses; I am now downloading from http://www.tech-geeks.org/servers/knoppix/