Third act: touching the ground. To make the sphere look like he's pressed on the ground I've added some more nodes: first a P-node of which I zeroed the x and the z values and set y-value to 0.1, then I added a clamp node , a sine node and finally multiplied that with the orginal displacement node. The P-node and the clamp-node defines a region in which the displacement is faded out to zero,  the sinus node make it more fluent. You can raise or lower this region by changing the y-value in the P-node...

-How can you improve things when you don't make mistakes?