fix thumb url at source

BaseSearcher.py

@@ -925,7 +925,7 @@ class OpenSearch (object):
     def format_thumb_url (self, row):
         """ Generate the thumb url in results. """
         if row.coverpages:
-            return row.coverpages[0]
+            return '/' + row.coverpages[0]
         return None
 
     def format_icon (self, dummy_row):

templates/results.html

@@ -103,7 +103,7 @@ which contains *all* Project Gutenberg metadata in one RDF/XML file.
 			    <span class="icon icon_${e.icon}" />
 			  </span>
 			  <img py:if="e.thumb_url"
-			       class="cover-thumb" src="/${e.thumb_url}" alt="" />
+			       class="cover-thumb" src="${e.thumb_url}" alt="" />
 			</span>
 			<span class="cell content">
 			  <span py:if="e.title" class="title">${e.title}</span>