Airfoils?
Google the Clarke Y section. You won't go too far wrong simply copying it. If high speed is more important that nice manners just make it thinner but making a "thin" wing strong & stiff enough can be a challenge!
I got bored today, so I started designing a F8F Bearcat, I would've used the opportunity to make a tutorial on designing planes, but I'm using someone else's computer, and can't get screencast to work. (Pics later)