MegaMang
That's great to hear about the cowl and the windshield. I built a sig Kadet a few years back and the W/S was a real pain. The telephone wire is about 28 ga. solid. It worked pretty good. I had to go to town anyway because I needed some flux.
Its funny that you mention micro balloons. Thats to high tech for me. I have all this wood filler left over from trimming out the house that it never occured to me to get "modlling filler" I must have 5 or 6 different types of wood filler here. Say, has a picture of your T-rex been on the net. There is one built in Canada that has maple leaf motif that is beautyfull. Is that one yours?