Paint the flowerpot inside and out with a water-based, clear sealer. Let dry.
Paint glue on the clay pot where you want to put a pasta animal. Then press the pasta into the glue. Repeat this process until you are finished decorating your flowerpot.
Let the pot dry for several hours. Then apply a second coat of sealer to the outside of the flowerpot. Let dry.
Put potting soil and a plant in the decorated flowerpot.