Go to this page on the AMA site: http://www.modelaircraft.org/clubsearch.aspx

At least one club comes up in Memphis, possibly more if you search by your zip code.

Depending on how bad the crash damage is, you can probably repair it. Don't be afraid to add more wood for reinforcement since this area takes some stress. Be sure to re-check the CG after the repair too in case all the extra epoxy and wood throws the balance off a little.