Creative Commons
When using images you have to take the rights of the maker into account, as well as the rights of the subject of the image (portrait, art). Please read first the general copyright information.
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.
Copyright and Copyleft