For the latest Knoppix 3.3 release version (kernel 2.4.24-xfs) look here:

http://www.knoppix.net/forum/viewtopic.php?t=8102

The source for kernel 2.4.22-xfs used in previous versions of Knoppix (e.g. 3.2 and 3.3-2003 versions) is still available at:

http://developer.linuxtag.net/knoppi...Custom_all.deb