diff --git a/services/shell/clipboardobject.py b/services/shell/clipboardobject.py
index 65f3bc56..c3cdab35 100644
--- a/services/shell/clipboardobject.py
+++ b/services/shell/clipboardobject.py
@@ -101,8 +101,11 @@ class ClipboardObject:
             if len(uris) == 1 or not uris[1]:
                 uri = urlparse.urlparse(uris[0], 'file')
                 if uri.scheme == 'file':
-                    logging.debug('Choosed %r!' % mime.get_for_file(uri.path))
-                    format = mime.get_for_file(uri.path)
+                    if os.path.exists(uri.path):
+                        format = mime.get_for_file(uri.path)
+                    else:
+                        format = mime.get_from_file_name(uri.path)                    
+                    logging.debug('Choosed %r!' % format)
 
         return format
 
diff --git a/sugar/objects/mime.py b/sugar/objects/mime.py
index 74e4e16b..b9331434 100644
--- a/sugar/objects/mime.py
+++ b/sugar/objects/mime.py
@@ -58,13 +58,9 @@ def choose_most_significant(mime_types):
     if 'text/uri-list' in mime_types:
         return 'text/uri-list'
 
-    for mime_category in ['image/', 'text/', 'application/']:
+    for mime_category in ['image/', 'application/']:
         for mime_type in mime_types:
 
-            # skip text/plain and text/html, these have lower priority.
-            if mime_type in ['text/plain', 'text/html']:
-                continue
-
             if mime_type.startswith(mime_category):
                 # skip mozilla private types (second component starts with '_'
                 # or ends with '-priv') 
@@ -77,6 +73,10 @@ def choose_most_significant(mime_types):
                 logging.debug('Choosed %r!' % mime_type)
                 return mime_type
 
+    if 'text/x-moz-url' in mime_types:
+        logging.debug('Choosed text/x-moz-url!')
+        return 'text/x-moz-url'
+
     if 'text/html' in mime_types:
         logging.debug('Choosed text/html!')
         return 'text/html'
diff --git a/tests/sugar/runall.py b/tests/sugar/runall.py
index ff672be2..6ee9442f 100644
--- a/tests/sugar/runall.py
+++ b/tests/sugar/runall.py
@@ -18,11 +18,13 @@
 import unittest
 
 import test_date
+import test_mime
 
 runner = unittest.TextTestRunner()
 loader = unittest.TestLoader()
 
 suite = unittest.TestSuite()
 suite.addTest(loader.loadTestsFromModule(test_date))
+suite.addTest(loader.loadTestsFromModule(test_mime))
 
 runner.run(suite)
diff --git a/tests/sugar/test_mime.py b/tests/sugar/test_mime.py
new file mode 100644
index 00000000..88598fe7
--- /dev/null
+++ b/tests/sugar/test_mime.py
@@ -0,0 +1,72 @@
+#!/usr/bin/env python
+
+# Copyright (C) 2006, Red Hat, Inc.
+# Copyright (C) 2007, One Laptop Per Child
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+
+import sys
+import unittest
+
+from sugar import objects
+
+class TestMime(unittest.TestCase):
+    def test_from_file_name(self):
+        self.assertEqual(objects.mime.get_from_file_name('test.pdf'),
+                         'application/pdf')
+
+    def test_choose_most_significant(self):
+        # Mozilla's text in dnd
+        mime_type = objects.mime.choose_most_significant(
+                ['text/plain', 'text/_moz_htmlcontext', 'text/unicode',
+                 'text/html', 'text/_moz_htmlinfo'])
+        self.assertEqual(mime_type, 'text/html')
+        
+        # Mozilla's text in c&v
+        mime_type = objects.mime.choose_most_significant(
+                ['text/_moz_htmlcontext', 'STRING', 'text/html', 'text/_moz_htmlinfo',
+                 'text/x-moz-url-priv', 'UTF8_STRING', 'COMPOUND_TEXT'])
+        self.assertEqual(mime_type, 'text/html')
+
+        # Mozilla gif in dnd
+        mime_type = objects.mime.choose_most_significant(
+                ['application/x-moz-file-promise-url',
+                 'application/x-moz-file-promise-dest-filename', 'text/_moz_htmlinfo',
+                 'text/x-moz-url-desc', 'text/_moz_htmlcontext', 'text/x-moz-url-data',
+                 'text/uri-list'])
+        self.assertEqual(mime_type, 'text/uri-list')
+
+        # Mozilla url in dnd
+        mime_type = objects.mime.choose_most_significant(
+                ['text/_moz_htmlcontext', 'text/html', 'text/_moz_htmlinfo',
+                 '_NETSCAPE_URL', 'text/x-moz-url', 'text/x-moz-url-desc',
+                 'text/x-moz-url-data', 'text/plain', 'text/unicode'])
+        self.assertEqual(mime_type, 'text/x-moz-url')
+
+        # Abiword text in dnd
+        mime_type = objects.mime.choose_most_significant(
+                ['text/rtf', 'text/uri-list'])
+        self.assertEqual(mime_type, 'text/uri-list')
+
+        # Abiword text in c&v
+        mime_type = objects.mime.choose_most_significant(
+                ['UTF8_STRING', 'STRING', 'text/html', 'TEXT', 'text/rtf',
+                 'COMPOUND_TEXT', 'application/rtf', 'text/plain',
+                 'application/xhtml+xml'])
+        self.assertEqual(mime_type, 'application/rtf')
+
+if __name__ == "__main__":
+    unittest.main()
+