diff --git a/eventlet/patcher.py b/eventlet/patcher.py
index 68e21bb..d7f911e 100644
--- a/eventlet/patcher.py
+++ b/eventlet/patcher.py
@@ -5,6 +5,14 @@ __exclude = set(('__builtins__', '__file__', '__name__'))
 
 
 def inject(module_name, new_globals, *additional_modules):
+    if not additional_modules:
+        # supply some defaults
+        additional_modules = (
+            _green_os_modules() +
+            _green_select_modules() +
+            _green_socket_modules() +
+            _green_thread_modules())
+        
     ## Put the specified modules in sys.modules for the duration of the import
     saved = {}
     for name, mod in additional_modules:
@@ -47,6 +55,7 @@ def import_patched(module_name, *additional_modules, **kw_additional_modules):
     	None,
     	*additional_modules + tuple(kw_additional_modules.items()))
 
+
 def patch_function(func, *additional_modules):
     """Huge hack here -- patches the specified modules for the 
     duration of the function call."""
@@ -66,3 +75,38 @@ def patch_function(func, *additional_modules):
                     del sys.modules[name]
     return patched
         
+
+def monkey_patch(os=True, select=True, socket=True, thread=True):
+    modules_to_patch = []
+    if os:
+        modules_to_patch += _green_os_modules()
+    if select:
+        modules_to_patch += _green_select_modules()
+    if socket:
+        modules_to_patch += _green_socket_modules()
+    if thread:
+        modules_to_patch += _green_thread_modules()
+    for name, mod in modules_to_patch:
+        sys.modules[name] = mod
+
+def _green_os_modules():
+    from eventlet.green import os
+    return [('os', os)]
+
+def _green_select_modules():
+    from eventlet.green import select
+    return [('select', select)]
+
+def _green_socket_modules():
+    from eventlet.green import socket
+    try:
+        from eventlet.green import ssl
+        return [('socket', socket), ('ssl', ssl)]
+    except ImportError:
+        return [('socket', socket)]
+
+def _green_thread_modules():
+    from eventlet.green import Queue
+    from eventlet.green import thread
+    return [('Queue', Queue), ('thread', thread)]
+    
\ No newline at end of file
diff --git a/tests/patcher_test.py b/tests/patcher_test.py
index aef13e0..060cf49 100644
--- a/tests/patcher_test.py
+++ b/tests/patcher_test.py
@@ -63,4 +63,46 @@ class Patcher(LimitedTestCase):
         self.assert_('eventlet.green.urllib' in lines[1])
         self.assert_('eventlet.green.socket' in lines[2])
         self.assert_('eventlet.green.urllib' in lines[2])
-        self.assert_('eventlet.green.httplib' not in lines[2])
\ No newline at end of file
+        self.assert_('eventlet.green.httplib' not in lines[2])
+        
+    def test_import_patched_defaults(self):
+        self.write_to_tempfile("base", base_module_contents)
+        new_mod = """
+from eventlet import patcher
+base = patcher.import_patched('base')
+print "newmod", base, base.socket, base.urllib.socket.socket
+"""
+        self.write_to_tempfile("newmod", new_mod)
+        python_path = os.pathsep.join(sys.path + [self.tempdir])
+        new_env = os.environ.copy()
+        new_env['PYTHONPATH'] = python_path
+        p = subprocess.Popen([sys.executable, 
+                              os.path.join(self.tempdir, "newmod.py")],
+                stdout=subprocess.PIPE, env=new_env)
+        output = p.communicate()
+        lines = output[0].split("\n")
+        self.assert_(lines[0].startswith('base'))
+        self.assert_(lines[1].startswith('newmod'))
+        self.assert_('eventlet.green.socket' in lines[1])
+        self.assert_('GreenSocket' in lines[1])
+        
+    def test_monkey_patch(self):
+        new_mod = """
+from eventlet import patcher
+patcher.monkey_patch()
+import socket
+import urllib
+print "newmod", socket, urllib.socket.socket
+"""
+        self.write_to_tempfile("newmod", new_mod)
+        python_path = os.pathsep.join(sys.path + [self.tempdir])
+        new_env = os.environ.copy()
+        new_env['PYTHONPATH'] = python_path
+        p = subprocess.Popen([sys.executable, 
+                              os.path.join(self.tempdir, "newmod.py")],
+                stdout=subprocess.PIPE, env=new_env)
+        output = p.communicate()
+        lines = output[0].split("\n")
+        self.assert_(lines[0].startswith('newmod'))
+        self.assert_('eventlet.green.socket' in lines[0])
+        self.assert_('GreenSocket' in lines[0])