flaps down on corsair

That is Lone Star Models but they don't have anything for  F4U flaps except a nightfighter conversion, and a F2G conversion:

http://www.lonestarmodels.com/Conversions-1-32.html

Cybermodeler has some walkaround shots of different Corsairs that might help, too.

http://www.cybermodeler.com/aircraft/f4u/f4u_walk6.shtml

I made these for the Hasegawa F4U-4 in 1/48.

I didn't have a flap set, so I cut them out (there are three) with the outer flap on the folded part of the wing having a notch in it. I plugged the end of the flaps with round rod (or sprue will work) and glued them to the wing. There is a triangular piece that covers the gap between the first and second flap. It takes some patience, but if I can do it, anyone can. Here's a WIP pic of the notch I was talking about. I wish I had taken more of that build process.