SliTaz 4.0 can be converted to a hybrid iso.
The iso images slitaz-4.0-base.iso, slitaz-4.0-core.iso, slitaz-4.0-firefox.iso, slitaz-4.0.iso, slitaz-4.0-justx.iso, slitaz-4.0-preinit.iso, slitaz-4.0-proxy.iso and slitaz-4.0-xorg-light.iso are not hybrid. Solution 1: run isohybrid on the image,
Example:
isohybrid slitaz-4.0.iso