syntax of wrinkle.cal (or: how to get a nice water surface)

Hi!

I try to get a nice water surface. I wanted to try wrinkle.cal, but I don't
understand the syntax. Is there anyone who has an example how to use it?

So far, I use the wobbly.cal with a glass material, but this doesn't seam to
be the best choice.

Thank You, CU, Lars.