ORIGINAL: AFSalmon
You can certainly add the right thrust with washers under the left side mounts or the more elegant way is to program right rudder with throttle. The more experienced pattern flyers will do this and tailor the curve to the aircraft and setup.
I'm not an experienced pattern flyer, but this is exactly what I started doing about 6 months ago. Took out right-thrust and programmed in a rudder mix. It makes mounting the engine a bit easier and helps prevent (or at least minimize) the crushed-wood syndrome caused by the washers. After a little tweaking of the mix, I can't tell any difference in how the plane responds compared to the when it had right-thrust.