Potty for pots? These small ceramic wall planters are amazing. This guy is in the shape of a sausage dog head. They're made specifically to go on your wall and are perfect to fit a baby plant in. I would go for a small house plant in a 6cm pot. You will need to do bit of repotting to pot your small plant in this pot but it will so be worth it.
To fix to the wall simply drill a small hole, pop a wall plug in and attach a screw. Dont screw flush to the wall as you'll need a bit of space to attach your new animal head wall planter to. (fixings and instructions not provided).