In case you missed it:
Slitaz is now branching up with the help of Puppy Linux and Dog Linux developers.
There are currently two Slitaz forks.
1. TazPuppy - Puppy Linux and Slitaz hybrid. It uses Puppy Linux kernel and Puppy boot and shutdown process. While Slitaz is running on top. Non-upstream to Slitaz.
http://www.murga-linux.com/puppy/viewtopic.php?t=113255
2. Weedog Slitaz - Non-hybrid and upstream to Slitaz. Uses slitaz upstream kernel