the gull wing is looking good so far, Neurotex. if you're still looking for a covering that is lighter than domestic tissue paper, try some japanese tissue paper. its lighter than the normal stuff by a good enough amount, you should still be able to dope it and paint it like normal as well. i'm sure there's a countless number of online shops that carry it, but a quick google search gave me this site:
http://www.darehobby.com/accessories-tissue02.htm i know some hobby shops carry tissue thats meant for planes too, so its probably lighter than target/walmart tissue. probably not as cheap though.
nick