Bill,
Most of us can relate to the wing/fuselage gap. If you have read the thread, than you also know that I have come up with a simple, yet effective method to close the gap. You can find it here:
http://www.rcuniverse.com/forum/m_24..._4/key_/tm.htm It is post #118. Check it out and you may be able to use this or a similar method to eliminate the gap. I have flown three times with the mod with absolutely no problems.
Good luck and happy flying.