A buddy of mine shakes pretty good when he flies even though he is a great pilot. His solution was to stiffen the sticks up significantly, too tight for most people. He still shakes but not as much shake gets through to the plane which would otherwise just increase his shaking.

A gyro is another idea. The first few minutes of flight on my jet always causes me to shake a little. I calm down much quicker if the plane stays where it is pointed, if the wind is throwing it around it takes longer for me to calm down. The gyro keeps other forces from throwing the plane around thus decreasing my anxiety quicker.

The idea of a quick turn around is very effective also. When I go out to fly I may take awhile to get in the air but once I'm flying I usually go one right after the other, it doesn't give me time to get nervous about the next flight.

Everyone is different so keep trying until you find what works for you.