I found these slim scrapbook cases (by Iris) at J's that fit my wood-mounted rubber stamps perfectly. It's comes in a set of 3 with the pastic cabine. Since they're clear, I can see all my stamps. Since it comes with the plastic cabinet, I just set up my own tower of stamps. They are pretty pricey at J's (I think it's over $40 now), but I use my coupons. They are hard to transport because the latches come open, but I bought some tote board rubber bands that are gigantic and they hold the cases closed really well.
Here's a link for the cases
3 Slim Case Scrapbook Table Chest SBC-3530 150687|IRIS U.S.A SHOP
I've also heard that people use clean pizza boxes and then stamp the image on the inside bottom of the box so you know where they go. I think I'd have to stamp on the outside top so I could see what was in there without having to open it. Plus I don't know how I'd store them.
Colleen