One of the great things about OER is the ability to publish and license your own work, and to "remix" the work of others to suit your needs. Read on for some tips on licensing under Creative Commons.
Creative Commons is a nonprofit organization that enables the sharing and use of creativity and knowledge through free legal tools. Creative Commons licenses are not an alternative to copyright. They work alongside copyright and enable you to modify your copyright terms to best suit your needs.
Source: Creative Commons website
Use this prototype to find images that you can use and remix across several open archives such as: