Get this 22 meg Debian Woody image (Score 1)

IIRC it expands to a 100 meg disk image, of which about 50 megs is used. http://sourceforge.net/projects/user-mode-linux/files/Root%20filesystems/1/Debian-3.0r0.ext2.bz2/download It's an image you can copy right onto the drive. It was made for User Mode Linux, but I'll bet it'll work with only a little bit of apt-getting. Then you can dist-upgrade to Lenny.