NASA Images of the Gulf Stream showing Gulf Stream Rings; vortices that trap and tranport fluid from warm regions to cold, and vice versa. The first 2 images are measurements of photoplankton concentrations, the third is sea surface temperature.

Evolution of the Polar Ozone Hole An awesome (and large) NASA mpeg of the Great Red Spot in motion.

A couple of images from a laboratory experimentThe apparatus
showing bariers to transport in in geophysical flows.
J. Sommeria, S. D. Meyers & H.L. Swinney, Nature, V. 337, p. 58 (1989).