A four-year-old from the mid-1950s shows that you don’t need to be Martha Stewart to decorate the Christmas tree. It’s not a fancy tree, but it’s full of heart. Click on the thumbnails to check out these cards on Greeting Card Universe, the world’s largest paper greeting card store. You can change the text and upload your own photograph to the inside of the card at no additional charge. Ship cards to your home or office, or, if you prefer, Greeting Card Universe will mail your personalized card to any address in the United States for only the cost of a stamp.