I made a quick sketch of a pattern for a test swatch. See below.
I then knit the test swatch and I am pleased with how it came out. The band of orange has a lace pattern that makes the scalloped edges giving it the movement I was looking for. I like the waves of smoke above as well.
I think that I will have to do three repeats of the smoke section to make it long enough. And four repeats around to give it the right circumference. Now to cast on.