/usr/local/bin/python -> /usr/bin/env python
diff --git a/Demo/tkinter/guido/MimeViewer.py b/Demo/tkinter/guido/MimeViewer.py
index 06b7a88..2b98579 100755
--- a/Demo/tkinter/guido/MimeViewer.py
+++ b/Demo/tkinter/guido/MimeViewer.py
@@ -1,4 +1,4 @@
-#! /usr/local/bin/python
+#! /usr/bin/env python
# View a single MIME multipart message.
# Display each part as a box.
diff --git a/Demo/tkinter/guido/dialog.py b/Demo/tkinter/guido/dialog.py
index 500a73d..62ad3e3 100755
--- a/Demo/tkinter/guido/dialog.py
+++ b/Demo/tkinter/guido/dialog.py
@@ -1,4 +1,4 @@
-#! /usr/local/bin/python
+#! /usr/bin/env python
# A Python function that generates dialog boxes with a text message,
# optional bitmap, and any number of buttons.
diff --git a/Demo/tkinter/guido/electrons.py b/Demo/tkinter/guido/electrons.py
index 7296955..f3b8008 100755
--- a/Demo/tkinter/guido/electrons.py
+++ b/Demo/tkinter/guido/electrons.py
@@ -1,4 +1,4 @@
-#! /usr/local/bin/python
+#! /usr/bin/env python
# Simulate "electrons" migrating across the screen.
# An optional bitmap file in can be in the background.
diff --git a/Demo/tkinter/guido/kill.py b/Demo/tkinter/guido/kill.py
index 24335cc..577af8b 100755
--- a/Demo/tkinter/guido/kill.py
+++ b/Demo/tkinter/guido/kill.py
@@ -1,4 +1,4 @@
-#!/usr/local/bin/python
+#! /usr/bin/env python
# Tkinter interface to Linux `kill' command.
from Tkinter import *
diff --git a/Demo/tkinter/guido/mbox.py b/Demo/tkinter/guido/mbox.py
index 3382311..9aea7ee 100755
--- a/Demo/tkinter/guido/mbox.py
+++ b/Demo/tkinter/guido/mbox.py
@@ -1,4 +1,4 @@
-#! /usr/local/bin/python
+#! /usr/bin/env python
# Scan MH folder, display results in window
diff --git a/Demo/tkinter/guido/rmt.py b/Demo/tkinter/guido/rmt.py
index f9f1785..6e9a828 100755
--- a/Demo/tkinter/guido/rmt.py
+++ b/Demo/tkinter/guido/rmt.py
@@ -1,4 +1,4 @@
-#! /usr/local/bin/python
+#! /usr/bin/env python
# A Python program implementing rmt, an application for remotely
# controlling other Tk applications.
diff --git a/Demo/tkinter/guido/svkill.py b/Demo/tkinter/guido/svkill.py
index dd80856..1c54e4b 100755
--- a/Demo/tkinter/guido/svkill.py
+++ b/Demo/tkinter/guido/svkill.py
@@ -1,4 +1,4 @@
-#! /usr/local/bin/python
+#! /usr/bin/env python
# Tkinter interface to SYSV `ps' and `kill' commands.
diff --git a/Demo/tkinter/guido/tkman.py b/Demo/tkinter/guido/tkman.py
index 34ca4a3..70aaae3 100755
--- a/Demo/tkinter/guido/tkman.py
+++ b/Demo/tkinter/guido/tkman.py
@@ -1,4 +1,4 @@
-#! /usr/local/bin/python
+#! /usr/bin/env python
# Tk man page browser -- currently only shows the Tcl/Tk man pages