Assuming you have the readonly-root and zisofs-tools packages installed on the server, you can create Live CDs of a snapshot using the mklivecd

/usr/share/readonly-root/mklivecd  path-to-snapshot kernel-version name-for-ISO-file

For example:

/usr/share/readonly-root/mklivecd  /srv/stateless/snapshots/DemoSystem/DemoSystem-1/ 2.6.8-1.541 /tmp/livecd.iso

This will take a while to run; currently it takes a further copy of the snapshot, make further modifications, then compresses it.