My wife Jo is a digital artist and we decided to individualize each of our Kindles. We printed a copy of some of her original digital paintings in a reduced size, had them laminated, and applied them to the fronts of our Kindles with spray-on contact adhesive (3M Super 77
tm Contact Adhesive applied
only to the back of the laminated picture. Now we can't confuse the two Kindles. They also have Velcro
tm applied to the back of the devices to keep them secure in the cases.