Sweet Revolution chocolate packaging by Jessica Garcia
Cute sweet packaging by Caecilya Sari, the packaging can also be cut out and made into a childrens bedtime mobile.
Really cool chocolate wrapper designs by Kate forrester.
Packaging by Sara Strand - not sure if these are pet treats or sweets but they look awesome anyway.
Paper Sweet bags by Susan Brand - simple but lovely.
There is alot of really good sweet packaging design on this page too http://blogof.francescomugnai.com/2013/04/sweets-or-candy-packaging-a-sweet-treat-for-your-inspiration/