Added question about photos not hosted on Flickr

website/templates/_help.html

@@ -16,6 +16,13 @@
               <div class="accordion-inner">If you&#x27;re using a Google Spreadsheet as your source, make sure your Google spreadsheet is public and published. Also make sure you don&#x27;t have any empty rows in the spreadsheet as this can sometimes cause problems.</div>
             </div>
           </div>
+
+<div class="accordion-group">
+            <div class="accordion-heading"><a data-toggle="collapse" data-parent="#accordion-faq" href="#faq-10" class="accordion-toggle collapsed">Can I use photos that aren’t hosted on Flickr?</a></div>
+            <div id="faq-10" style="height: 0px;" class="accordion-body collapse">
+              <div class="accordion-inner">Yes, but the photos must be publically available online and the URL must end in .jpg, .png, or .gif. Some users have found that uploading images to Dropbox is an easy and convenient way to give them a URL that’s compatible with TimelineJS.</div>
+            </div>
+          </div>
           <div class="accordion-group">
             <div class="accordion-heading"><a data-toggle="collapse" data-parent="#accordion-faq" href="#faq-04" class="accordion-toggle collapsed">How many entries will work best in TimelineJS?</a></div>
             <div id="faq-04" style="height: 0px;" class="accordion-body collapse">