Winter Storage. What to do with/for front tires?

The summer cruising season is nearing the end so I'll be "parking" the Dart GT for the winter. I usually put the rear-end up on jack stands so I can run it through the gears weekly. The front tires are usually parked up on some 2X10s. Will leaving the front tires parked on the 2X10s cause undue damage to the tires? How do you all "park" your car for the off-season?