Current paint tins

To change the conventional was a paint can is made, I must first understand the current way the paint tins are made. The website below was particular helpful showing the stages of production. 

http://www.mpma.org.uk/pages/data/paintcan.pdf


I then started to think ways in which these tins could be reused, I thought about using then as a plant pot, or as some sort of storage. I started to research ways in which people were currently reusing them, below are some of the examples I found -