eFluids Gallery of Flow Images - Unsorted collection of artistic and scientific fluid flow images with explanations, contributed by e-fluids users. - http://www.efluids.com/efluids/pages/gallery.htm
The Colorful Fluid Mixing Gallery - Mainly CFD based animations and images. The main focus is mixing in industrial equipment, as used in the chemical and process industries. - http://www.bakker.org/cfm/
Gallery of Fluid Motion - Special section from Physics of Fluids featuring award-winning photographs and videos from the Annual Picture Gallery of Fluid Motion exhibit. - http://ojps.aip.org/phf/gallery
Fluid Dynamics Picture Gallery - Collection of experimental flow visualizations with brief explanations and references. - http://www-math.mit.edu/~bush/gallery.html