I used Graphic 45's "Christmas Emporium" paper for the entire box, along with a handful of fun little trinkets. One fun things you can do to change up these shadow boxes is to remove some of the inner boxes and place them on the outside of your box.
Here's another angle:
These Configurations Boxes by Tim Holtz are great for showcasing little treasures or a particular theme. They come in different sizes and you can find matching "findings" for these items, like foundation feet or miniature bottles.
Graphic 45 - Christmas Emporium paper
Claudine Hellmuth studio gloss
Walnut Stain distress ink