When I bought N11018 in August 2011, it also included a box of miscellaneous stuff and in that box were some fiberglass fairings that "clean up" the area where the lift strut attaches to the wing. They weren't painted, but the silicone/caulking material that was left on the underside of the wing tel...
It's self-explanatory, but here are some pix that may assist you in your Tailwind build.
I spent the past month installing the wings and rigging the flaps and ailerons, installing some RV gear leg stiffeners, and installing ultralight wheel pants.
The RV gear leg stiffeners came from Flyboy Accessories. The wheel pants came from an ultralight supplier on eBay.