Amazing new pics from Mars Orbiter. To our human visual conceptions of what things look like and/or what things should look like out of any real context this picture resembles rolls of fleshly look-alikes and the bluish scribbles appear to some of us, as something Earthly.
If you want more on the dust devils the links that are not from Wikipedia, and are from NASA are pretty informative. There are also picture of rising columns here on Earth.