I stumbled across this cute project over at The Colorful Living Project by Anna Naphtali. Not sure how ecological the spray paint is, but I do think it is a clever way to use glass jars. For complete details please check the post. I love the idea for party idea or just to spruce up your house with a splash of color.
Please note these are not to be used for liquid consumption and are only for decorative purposes. You can also use a combination of matte or shiny finishes to add an extra dynamic to the composition.