This blog has by far the BEST selection of Halloween label art I have seen yet!
Potion bottle labels
Halloween label for invite, card, tag... Love the crackled finish
Free Halloween Potion Labels | Picture 8 of 9 from Potion Label Project
Creepy Halloween Labels Halloween Bottle Labels - LoveItSoMuch.com
i have ideas for ALL of these labels!!! More
Creepy Halloween - Free Printables - Hello My Sweet