I thought you might be. Either way... If you find anything you want to use, the CC licenses (specifically the one I chose for my images) basically just say that you're free to use it, even for commercial work, as long as you attribute the work in the way specified. It's just nice to have the "official" license just in case anyone ever asks.
The one I chose for the text is slightly different, mostly due to the Wiki nature. You can use it, so long as you attribute it, and "if you alter, transform, or build upon this work, you may distribute the resulting work only under the same, similar or a compatible license." This would NOT apply to attributed quotations (which would be fair use) but to re-purposing of the full work. Due to the nature of Wiki writing, the attribution would be to the Wiki itself, not to any one individual.