Using Circa Sample

Here's a movie of circa being played with. I sped it up about 3 times. The movie is ~2 minutes, 4.5MB and shows a rendered version at the end. Sorry about the crude quality, the data went through several pipes...
CircaTwiddling.mp4
I think people might be confused on how to use circa, I'm trying to show how I use it. Dis a first attempt at a video tutorial.