from shutil import rmtree
 
 from librarian import RDFNS, WLNS, NCXNS, OPFNS, XHTMLNS, OutputFile
-from librarian.cover import WLCover
+from librarian.cover import DefaultEbookCover
 
 from librarian import functions, get_resource
 
     if document.book_info.funders:
         document.edoc.getroot().set('funders', u', '.join(
             document.book_info.funders))
+    if document.book_info.thanks:
+        document.edoc.getroot().set('thanks', document.book_info.thanks)
 
     opf = xslt(document.book_info.to_etree(), get_resource('epub/xsltContent.xsl'))
     manifest = opf.find('.//' + OPFNS('manifest'))
 
     if cover:
         if cover is True:
-            cover = WLCover
+            cover = DefaultEbookCover
 
         cover_file = StringIO()
         bound_cover = cover(document.book_info)
         zip.writestr('OPS/annotations.html', etree.tostring(
                             html_tree, method="html", pretty_print=True))
 
-    toc.add("Weprzyj Wolne Lektury", "support.html")
+    toc.add("Wesprzyj Wolne Lektury", "support.html")
     manifest.append(etree.fromstring(
         '<item id="support" href="support.html" media-type="application/xhtml+xml" />'))
     spine.append(etree.fromstring(