Regarding the horizontal formats, you could always go with this one as your 1960 rep:
Master_1960.jpg
If it's any consolation, my Hank Aaron card display is an example of what I think turned out great even though there are several horizontal cards in it. For me, it was one of those things where I immediately thought, "Ick, I wish all the cards went the same way," but then got over it in just a few secs.