I used an A4 Universal label (289mm x 205mm) from a pack of 25 used for laser and ink jet copiers and printers. I started to draw on pictures with a pencil and then going over them with a black pen but this got fiddly as I didn't have an eraser. It was easier to draw directly with pen onto the paper so that's what I did.
The ideas are whizzing around at the moment..... you could scan the images and print multiple copies (with the other sheets in the pack) or photocopy them or if you do not draw you could rubber stamp images onto the sticky backed paper or write words or use different shaped punches to cut out the paper etc..........
I do hope you like this mini 'how to' tutorial of sorts! Let me know if you try it too!
Have a great weekend!