My students did the same thing - I had them provide the internet link with the picture. Since it's used for personal use and not promotional advancement (in which, they would need a permission agreement in writing from the author) I believe that is OK - since College Board keeps all documents private. Note: I only know this from my own personal experience and have not been told to do it this way from the College Board. But you might check with them to be sure.
Also, have them use EasyBib for their Explore task on a separate page and include the authors name and date with-in the document so readers and associate the 2 links.
Hope this helps, Francie