I'd love to have listened in on the conversation between Democratic senators Charles Schumer and Kirsten Gillibrand and Supreme Court nominee Sonia Sotomayor, but since I couldn't make it to Capitol Hill, I'll simply take some inspiration from this photo. Do you see the grouped photographs on the background wall? Instead of hanging all eight photos vertically, the photos are hung in both directions, while still perfectly spaced. The matching frames create continuity, even when the photos are hung both horizontally and vertically. Have you tried this photo grouping at your house?