The publishers of Model Airplane News and R/C Modeler have huge inventories of plans. The AMA also has lots of plans that have been published in their magazine. Given the popularity of sticks, there should be several designs that meet your needs. Here are a few places to look:
http://www.rcstore.com/rs/general/plans.asp?catego=PL
http://www.rcmmagazine.com/store/store-plans.html
http://www.modelaircraft.org/plansmain.asp