You'll probably have somebody jumping down your throat about double posting it, but I think it's wickedly cool. And the ZZ-only people would probably like to see progress too.
So what's the body/chassis made of? Closed cell styrefoam? Or maybe egg carton?
Another thing I just thought of: Duct the lift fan. It will reduce the amount of wasted thrust coming off that prop, more air will be forced down to inflate your skirt and form the air cusion. You'll want the duct really close to the blade tips so that there isn't as much air that's like "eddying" right there. it's kind of a trade off since it'll add a *small* amount of weight, but should really help boost forced airflow and thus lift.
KEEP US UPDATED.
That's actually really cool. I may have to build one...