This is not so difficult:
1. Unpack all ISOs to /live
2. Make one /live/isolinux/isolinux.cfg for all kernels
3. Run:
Code:
# cd /live
# mkisofs -N -J -R -D -o /m_boot.iso -b /live/isolinux/isolinux.bin -c /live/boot.catalog -no-emul-boot -boot-load-size 4 -boot-info-table .
# qemu -cdrom /m_boot.iso -boot d