Index: django/db/models/base.py
===================================================================
--- django/db/models/base.py	(revision 4549)
+++ django/db/models/base.py	(working copy)
@@ -313,6 +313,11 @@
             return os.path.join(settings.MEDIA_ROOT, getattr(self, field.attname))
         return ''
 
+    def _get_FIELD_basename(self, field):
+        if getattr(self, field.attname): # value is not blank
+	    return os.path.basename( self._get_FIELD_filename(field) )
+	return ''
+
     def _get_FIELD_url(self, field):
         if getattr(self, field.attname): # value is not blank
             import urlparse
Index: django/db/models/fields/__init__.py
===================================================================
--- django/db/models/fields/__init__.py	(revision 4549)
+++ django/db/models/fields/__init__.py	(working copy)
@@ -631,6 +631,7 @@
         setattr(cls, 'get_%s_filename' % self.name, curry(cls._get_FIELD_filename, field=self))
         setattr(cls, 'get_%s_url' % self.name, curry(cls._get_FIELD_url, field=self))
         setattr(cls, 'get_%s_size' % self.name, curry(cls._get_FIELD_size, field=self))
+	setattr(cls, 'get_%s_basename' % self.name, curry(cls._get_FIELD_basename, field=self))
         setattr(cls, 'save_%s_file' % self.name, lambda instance, filename, raw_contents: instance._save_FIELD_file(self, filename, raw_contents))
         dispatcher.connect(self.delete_file, signal=signals.post_delete, sender=cls)