Google: Search by Image

Drag a picture up into this camera; you'll find that all of the websites that include this image will come up on your page; it is magic...

Google Images Search: Labeled for Reuse

This is a screenshot of where we can find the selection "labeled for reuse." Go to Google search; then hit "images"; then "Search tools"; and then you will see the words size, color, type, time, and the like.

Compfight.com: An Easy Way to Cite Photographs

Photo Credit: Dept of Energy Solar Decathlon via Compfight cc