Do you love using free images on the web?  We do too!  When using images from Flickr or any other website that shares CC0 images, you may need to credit the image creator out of appreciation.  But sometimes, this is required by the license. For instance, on Flickr, images requiring attribution will be labeled as CC-BY. If no derivatives are allowed, the image may have an additional tag CC BY-ND. Don’t let these tags confuse…