diff -r 210b2773c87a Lib/tkinter/ttk.py
--- a/Lib/tkinter/ttk.py	Wed Sep 21 16:36:08 2011 +0200
+++ b/Lib/tkinter/ttk.py	Wed Sep 21 12:40:13 2011 -0700
@@ -473,7 +473,7 @@ class Style(object):
 
     def element_names(self):
         """Returns the list of elements defined in the current theme."""
-        return self.tk.call(self._name, "element", "names")
+        return tuple([x.lstrip('-') for x in self.tk.call(self._name, "element", "names")])
 
 
     def element_options(self, elementname):
diff -r 210b2773c87a Lib/tkinter/ttk.py
--- a/Lib/tkinter/ttk.py	Wed Sep 21 16:36:08 2011 +0200
+++ b/Lib/tkinter/ttk.py	Wed Sep 21 13:20:12 2011 -0700
@@ -390,7 +390,8 @@ class Style(object):
         a sequence identifying the value for that option."""
         if query_opt is not None:
             kw[query_opt] = None
-        return _val_or_dict(kw, self.tk.call, self._name, "configure", style)
+        result = _val_or_dict(kw, self.tk.call, self._name, "configure", style)
+        return result or None
 
 
     def map(self, style, query_opt=None, **kw):
@@ -473,7 +474,7 @@ class Style(object):
 
     def element_names(self):
         """Returns the list of elements defined in the current theme."""
-        return self.tk.call(self._name, "element", "names")
+        return tuple([x.lstrip('-') for x in self.tk.call(self._name, "element", "names")])
 
 
     def element_options(self, elementname):