Sometimes, you've got an image you need to stick somewhere, the soft pixelatedness of inkjet sticker paper simple won't do. Sir Brittanicvs provides a recipe for some homemade adhesive to place on a contact paper substrate that gets your message where it belongs.
Your design(s) printed out on paper
A wide brush
Tupperware container OR jar
Packaging tape OR Clear Contact Paper
Little spray bottle
Scissors OR X-acto Blade