A must watch for understanding Creative Commons and using content under Creative Commons licenses.
BrickPress (2012), Creative Commons License and how it helps us share digital content. YouTube viewed 19/05/2012 <https://www.youtube.com/watch?v=HKfqoPYJdVc>
Creative Commons are licence themes that are used to licence works (music, artistic, literary, and video works), under the terms of each license. Creative Commons works are free to use as long as the licence terms are followed.
If you require any assistance with Creative Commons licenses contact firstname.lastname@example.org
There are also images on Flickr that could be considered a breach of copyright ensure the image(s) you wish to use are legal copies.
What you need to consider before using flickr images:
Galleries and museums sometimes allow photography of the works within the gallery for personal purposes this means for your own home library of photographs. Galleries and museums don't usually hold copyright on works they exhibit.