These are very bright, there are many more subtle options, but this was an option for above the family room fireplace. Maybe a frame/border of these around the outside edge, and mount the horns on driftwood boards in the center, to show them off.
Have that mural artist do street art installations in front of the store every couple of weeks... Cool Street Art Inventive Urban Art - Mr Pilgrim Graffiti Artist (think how beautiful alley ways could be if painted up. Brighten them up with art)