Lovely "Hose Nose." You've got that soft camo scheme down very nicely. Corsair is a striking plane. The US built very unique planes: P-38, P-39, P-51, P-47, P-40, Hellcat and Corsair all look like they have no ancestors - would have made aircraft recognition easy. I didn't realize how small the F4U is (in American terms that is: all of our planes were robust compared to German aircraft) until I saw it sitting next to a Hellcat. Huge engine, huge prop, and the smallest possible fuselage. Lovely anyway. It does look lethal.
Attaching an antenna is a humble task but it has caused me trouble and I still think it's one of the trickiest bits of rigging.
Here's a place where stretched sprue would work pretty well. Over at Model Warship one of their moderators and top ship modelling gurus is a Brit named Jim Baumann (amazing models that you can check best at www.modelshipgallery.com/.../jb-index.html ) and he uses stretched sprue for all rigging. Even has a terrific tip for stopping rigging sag. (Light a stick of incense, watch where the smoke is going and bring the smoke toward your rigging. Before it's an inch away or so you'll see the rigging tighten. Works on sprue, monofilament line and coated fly tying line.) Don't really know how to make it? Baumann gives instructions for by far the easiest method I've seen. This is one of the great modelling forums and worth knowing. This should take you to the tips section and making sprue: www.shipmodels.info/.../viewforum.php .
Monofilament line is perfectly adequate, but you'd want nothing over 2lb test - 1lb fly fishing tippet line is even better. I don't use thread for any modeling because of the fuzzies that make it hard to tie a very fine knot, you may have better luck. If there's a good fishing supply place you can get mono but also probably also coated fly-tying line. That's not mono, but the coating makes it much easier to deal with. I've rigged ships and biplanes with it. The stuff that's perfecto for aircraft use is EZ line available at Bob's Hobby's (and I think eBay). www.bobeshobbyhouse.com/ezl.html . There are stretching or "invisible" lines available at sewing and crafts stores but EZ is much finer. It's very light and stretches very easily so it won't bend the antenna and knots easily and mates with CA perfectly. Brett Green thinks this stuff is essential if you are picky and are doing something like a FW190 that has a wire that droops a little. A definite buy for the future.
How to attach? I'm a great fan of knots or even just turning line around something and then applying CA in the smallest possible quantity. If you trim it really well and there's a little blob of CA or white glue it actually looks fine. Your kit has two attachment points, so it would be ideal for stretched sprue which you'd melt on with any modelling cement. A lot of kits won't allow that because the wire enters the fuselage or the tail itself. I've taken to drilling a small hole at the appropriate end and setting line in with CA.
Looking forward to seeing the complete bird.
Eric