Animation tests for my contribution to the final.
I created the swirls originally on paper. I scanned them, painted them in with Photoshop. I then made a template layer, copied that, and then on that layer I created a mask. I filled the entire mask with black, and erased the very first portion I wanted to show. I copied that layer, and then erased more. Rinse, repeat, etc. I created the smooth lines by using 50% flow and a Dry Media brush.