You can make customized backgrounds for your car frame shelf using the car paper package part - easy and cheap!
Step 1: Take the Paper Part of Car Package
You can choose the own package or other kind of image to customize the frame shelf background
Step 2: Measure the Background Size
Step 3: Mark the Background Size on the Package Selected Area
You can choose a not damaged part of package to mark the background
Step 4: Trim the Selected Area
Step 5: Put the Background on the Shelf
You don´t need to use a glue to keep the background on the self if you have not cropped the image the right size or slightly larger
Step 6: Congratulations: You Have Your Own Customized Background in Your Frame Shelf
Besides it is being very nice, you could to keep easily the organization of your car collection.