Somehow the link to the dpup-stretch has gotten lost. Dpup-Stretch's ISO and associated files can be found here, http://www.smokey01.com/radky/Woof/.
It was often recommended for computers as, with the proper setup, it could boot with as little as 68 Mbs of RAM, viewtopic.php?p=1320#p1320 while having OOTB the 'infra-structure' needed to run current Web-browsers.
Edit: Ah, I found the previous post viewtopic.php?p=256#p256 which provides a link to the ISO on archive.org.