Leather seats?

Hey everyone!!!! Hopefully you can help with a question about leather seats..... I accidentally left my sunroof open one night and it rained and soaked my front leather seats.... Nothing was damaged at all, which I was surprised. Of course I was depressed for a long time afterwards....... The seats have since dried out, but my question is, it seems that the driver seat leather as stretched out a little. I rarely have passengers so that seat is back to normal. The drivers seat looks fine except there is like an imprint of my little butt in the seat. Is there anyway to fix this or do you have to replace the leather bottom for the seat. It is a '02 Honda Accord..... I called Honda to check on prices, and they were outrageous just for the seat bottom. It was recommended that I leave the heat on full blast for at least an hour, and that should help to tighten up the seats and smooth out the leather more... If anyone has suggestions that would great!!!! Thanks.....