Horizontal, black and white photos are custom framed in vertical mouldings with super long matboards. Just goes to show - don't let the orientation of the art determine where it will and won't fit. Anything's possible with custom framing!
I have another pin like this with dark frames. Can't tell you how much I LOVE this! I would prefer it to be in the hallway just off the garage because I want a large gallery wall. SIMPLE Clip Frame Tutorial by So cheap too!