I don't know why I never got the idea on my own to remove the lids of Altoid tins, but ever since I saw one with the lid removed, I have been crazy about altering them. Here's my lastest, "Dunce". This image came from a cheesy "gift book" that I picked up at the thrift store. I just love those two sad dunce boys! I cut it to fit and then mounted their legs on some foam core so they could serve as the base of the tin.
Side view, so you can see the dimension: