Well it has been ages since my last tutorial.
Here is a nice seasonal tutorial about how to animate autumn leaves.
This is 2 seconds of the result.
Tips & Tricks, Textures, and Tutorials for Cinema 4D and Xpresso
Here is another tutorial about the size factor of the Clothilde tag.
The trampoline is just one possible example for demonstrating tension in a membrane.
We will also make a sphere bounce in the trampoline and get the membrane to adapt to the collision.