Oogway: Your mind is like the water. When it is agitated it becomes difficult to see, but when you let it settle, the answer becomes clear.
When Po is trying to get into the ceremony near the beginning of the film, he pulls himself up on the wall on what appears to be a lantern. Then when the crane creates the wind that blows Po down, the lantern is not there or in any subsequent shots of the wall.
When Tai-Lung escapes from prison, one of the guards he knocks over lets out a Wilhelm scream.