These sky textures are Copyright (c) by M@dcow
	(http://blenderartists.org/forum/member.php?u=294)
	(http://www.newcgcreations.com/)

They are licensed under the Creative Commons
Attribution NonCommercial ShareAlike License v. 2.5:
http://creativecommons.org/licenses/by-nc-sa/2.5/

You are free:
    * to Share  to copy, distribute and transmit the work
    * to Remix  to adapt the work

Under the following conditions:
    * Attribution. You must attribute the work in the manner specified by the author or licensor (but not in any way that suggests that they endorse you or your use of the work).
    * Noncommercial. You may not use this work for commercial purposes.
    * Share Alike. If you alter, transform, or build upon this work, you may distribute the resulting work only under the same or similar license to this one.

The license is further clarified:

"Free high res skymaps (Massive 07 update!)
Ok, new selection of skymaps, lots more to choose from. There are no restrictions on using these textures, you can use these for commercial work, and you don't have to name me if you don't want to. the only restriction is that you can't sell them. that's all."
