Another effective way (at least on sp) is when the people start coming out of the tunnel then you can use that hover car with guns and shoot them as they are coming out. just drive it to the very tip of the tunnel. (you can't go in the tunnel though). Just blast the crap outa them.
ewoks should rule the world along with tauntauns, and jawas.
Chewie for vise president
Gotsta love those fuzzies.