Currently commands are printed to stdout rather than being run directly.
Use the qemu-img tool to create disk images like the examples named in common.sh's embedded database.
./launch one # (copy and paste commands at will)
./launch two
Right now I can ping the host platform's tap1 address from inside the VMs, but the host cannot ping the VMs. The VM can see the host's wlan0 IP sending ARP requests, though.
The VMs can communicate between themselves without trouble.