Maybe you could have a go at designing some resizable decorative borders?
The Decker Manual has a step-by-step walkthrough explaining how to make your own contraptions. To make a border decoration all you need to do is create a new prototype, draw a background for it, configure the margins to indicate what parts should stay fixed-size and which should repeat, and then make the contraption resizable:
You can then make as many instances of the contraption as you like, and they'll take up hardly any space when you save the deck.
