Looking for ideas for a background for a 24"x24"48" enclosure. I'm leaning towards using the Zoo Med Natural Cork Tile background (18"x24"). I'm thinking of just getting three of them, cutting one to size, and just stacking them up. But I'm worried that it'll make one side heavy and will cause the enclosure to topple over. I'm also thinking of just using one of those aquarium adhesive backgrounds but I'm having trouble finding one that is 24" wide and has a design that goes vertical. Most of the repeating designs go horizontal.