"Creative Commons (creativecommons.org) is a non-profit that offers an alternative to full copyright."

Creative Commons licenses explained:

Attribution means:
You let others copy, distribute, display, and perform your copyrighted work - and derivative works based upon it - but only if they give you credit.

Noncommercial means:
You let others copy, distribute, display, and perform your work - and derivative works based upon it - but for noncommercial purposes only.

No Derivative Works means:
You let others copy, distribute, display, and perform only verbatim copies of your work, not derivative works based upon it.

Share Alike means:
You allow others to distribute derivative works only under a license identical to the license that governs your work.

Create a default Creative Commons license for your creatives. 

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