Discovered via Katy Elliot: Privacy solutions from The Shutter Store, a custom online shutter company. I especially like the European-style full-panel option, which Elliot "searched for for months" and finally discovered at The Shutter Store.
Above: The café-style shutters cover just the lower portion of the window.
Above: The Shutter Store offers full solid shutters similar to those shown above (photo via Shootfactory) are available in two styles: full solid or full solid raised.
Above: Full window shutters.