It is normal for a ceiling fan to move a little when it is running on high speed, but if it is unusually wobbly, there may be an issue with the ceiling blades. To determine the issue, try cleaning the blades or tightening the blade screws.
We had to replace the old fan light in the room to new theater style dimmable pot lights to better suit the new theater room. they did a magnificent job in the installation and left no marks on the walls...