diff --git a/wxPython/src/gtk/gdi.cpp b/wxPython/src/gtk/gdi.cpp
index fcbd24f8b7..a021fa20d3 100644
--- a/wxPython/src/gtk/gdi.cpp
+++ b/wxPython/src/gtk/gdi.cpp
@@ -185,7 +185,11 @@ static PyObject* t_output_helper(PyObject* target, PyObject* o) {
     }
 
     wxCursor* wxCursorFromImage(const wxImage& image) {
+    #ifndef __WXMAC__
         return new wxCursor(image);
+    #else
+        return NULL;
+    #endif
     }
                                       // Alternate 'constructor'
     wxColour* wxNamedColour(const wxString& colorName) {
diff --git a/wxPython/src/gtk/wx.cpp b/wxPython/src/gtk/wx.cpp
index 9f3141e83d..950e26538c 100644
--- a/wxPython/src/gtk/wx.cpp
+++ b/wxPython/src/gtk/wx.cpp
@@ -1449,9 +1449,9 @@ static PyObject *_wrap_wxPyApp_Yield(PyObject *self, PyObject *args, PyObject *k
     PyObject * _resultobj;
     bool  _result;
     wxPyApp * _arg0;
-    bool  _arg1 = (bool ) (0);
+    bool  _arg1 = (bool ) FALSE;
     PyObject * _argo0 = 0;
-    int tempbool1 = (int) (0);
+    int tempbool1 = (int) FALSE;
     char *_kwnames[] = { "self","onlyIfNeeded", NULL };
 
     self = self;
@@ -2575,10 +2575,6 @@ SWIGEXPORT(void) initwxc() {
 	 PyDict_SetItemString(d,"wxHT_WINDOW_HORZ_SCROLLBAR", PyInt_FromLong((long) wxHT_WINDOW_HORZ_SCROLLBAR));
 	 PyDict_SetItemString(d,"wxHT_WINDOW_CORNER", PyInt_FromLong((long) wxHT_WINDOW_CORNER));
 	 PyDict_SetItemString(d,"wxHT_MAX", PyInt_FromLong((long) wxHT_MAX));
-	 PyDict_SetItemString(d,"FALSE", PyInt_FromLong((long) 0));
-	 PyDict_SetItemString(d,"false", PyInt_FromLong((long) 0));
-	 PyDict_SetItemString(d,"TRUE", PyInt_FromLong((long) 1));
-	 PyDict_SetItemString(d,"true", PyInt_FromLong((long) 1));
 	 PyDict_SetItemString(d,"wxEVT_NULL", PyInt_FromLong((long) wxEVT_NULL));
 	 PyDict_SetItemString(d,"wxEVT_FIRST", PyInt_FromLong((long) wxEVT_FIRST));
 	 PyDict_SetItemString(d,"wxEVT_COMMAND_BUTTON_CLICKED", PyInt_FromLong((long) wxEVT_COMMAND_BUTTON_CLICKED));
diff --git a/wxPython/src/gtk/wx.py b/wxPython/src/gtk/wx.py
index 42a661dc8c..8703a96f97 100644
--- a/wxPython/src/gtk/wx.py
+++ b/wxPython/src/gtk/wx.py
@@ -46,7 +46,7 @@ class wxPyAppPtr(wxEvtHandlerPtr):
     def __init__(self,this):
         self.this = this
         self.thisown = 0
-    def __del__(self,delfunc=wxc.delete_wxPyApp):
+    def __del__(self, delfunc=wxc.delete_wxPyApp):
         if self.thisown == 1:
             delfunc(self)
     def _setCallbackInfo(self, *_args, **_kwargs):
@@ -803,10 +803,6 @@ wxHT_WINDOW_VERT_SCROLLBAR = wxc.wxHT_WINDOW_VERT_SCROLLBAR
 wxHT_WINDOW_HORZ_SCROLLBAR = wxc.wxHT_WINDOW_HORZ_SCROLLBAR
 wxHT_WINDOW_CORNER = wxc.wxHT_WINDOW_CORNER
 wxHT_MAX = wxc.wxHT_MAX
-FALSE = wxc.FALSE
-false = wxc.false
-TRUE = wxc.TRUE
-true = wxc.true
 wxEVT_NULL = wxc.wxEVT_NULL
 wxEVT_FIRST = wxc.wxEVT_FIRST
 wxEVT_COMMAND_BUTTON_CLICKED = wxc.wxEVT_COMMAND_BUTTON_CLICKED
@@ -1535,14 +1531,25 @@ wxPen        = wxPyPen
 wxScrollbar  = wxScrollBar
 wxPoint2D    = wxPoint2DDouble
 
+# Use Python's bool constants if available, make aliases if not
+try:
+    True
+except NameError:
+    True = 1==1
+    False = 1==0
+
+
 # backwards compatibility
-wxNoRefBitmap       = wxBitmap
-wxPyDefaultPosition = wxDefaultPosition
-wxPyDefaultSize     = wxDefaultSize
-NULL                = None
+wxNoRefBitmap           = wxBitmap
+wxPyDefaultPosition     = wxDefaultPosition
+wxPyDefaultSize         = wxDefaultSize
+NULL                    = None
 wxSystemSettings_GetSystemColour = wxSystemSettings_GetColour
 wxSystemSettings_GetSystemFont   = wxSystemSettings_GetFont
 wxSystemSettings_GetSystemMetric = wxSystemSettings_GetMetric
+false = FALSE = False
+true = TRUE = True
+
 
 # workarounds for bad wxRTTI names
 __wxPyPtrTypeMap['wxGauge95']    = 'wxGauge'
@@ -1619,8 +1626,8 @@ def wxPy_isinstance(obj, klasses):
     import types
     if sys.version[:3] < "2.2" and type(klasses) in [types.TupleType, types.ListType]:
         for klass in klasses:
-            if isinstance(obj, klass): return true
-        return false
+            if isinstance(obj, klass): return True
+        return False
     else:
         return isinstance(obj, klasses)
 
@@ -1710,7 +1717,7 @@ class wxPyOnDemandOutputWindow:
             self.text  = wxTextCtrl(self.frame, -1, "",
                                     style = wxTE_MULTILINE|wxTE_READONLY)
             self.frame.SetSize(wxSize(450, 300))
-            self.frame.Show(true)
+            self.frame.Show(True)
             EVT_CLOSE(self.frame, self.OnCloseWindow)
         self.text.AppendText(str)
 
@@ -1731,7 +1738,7 @@ class wxApp(wxPyApp):
     error = 'wxApp.error'
     outputWindowClass = wxPyOnDemandOutputWindow
 
-    def __init__(self, redirect=_defRedirect, filename=None, useBestVisual=false):
+    def __init__(self, redirect=_defRedirect, filename=None, useBestVisual=False):
         wxPyApp.__init__(self)
         self.stdioWin = None
         self.saveStdio = (sys.stdout, sys.stderr)
@@ -1783,7 +1790,7 @@ class wxPySimpleApp(wxApp):
         wxApp.__init__(self, flag)
     def OnInit(self):
         wxInitAllImageHandlers()
-        return true
+        return True
 
 
 class wxPyWidgetTester(wxApp):
@@ -1794,11 +1801,11 @@ class wxPyWidgetTester(wxApp):
     def OnInit(self):
         self.frame = wxFrame(None, -1, "Widget Tester", pos=(0,0), size=self.size)
         self.SetTopWindow(self.frame)
-        return true
+        return True
 
     def SetWidget(self, widgetClass, *args):
         w = apply(widgetClass, (self.frame,) + args)
-        self.frame.Show(true)
+        self.frame.Show(True)
 
 #----------------------------------------------------------------------------
 # DO NOT hold any other references to this object.  This is how we