Last time I said it works? I was kidding. Try this.

basic.py

@@ -1,4 +1,4 @@
-#! /usr/local/bin/python
+#!/usr/bin/env python
 # -*- coding: utf-8 -*-
 
 # Stéganô - Stéganô is a basic Python Steganography module.

lsb-s.py

@@ -1,4 +1,4 @@
-#! /usr/local/bin/python
+#!/usr/bin/env python
 #-*- coding: utf-8 -*-
 
 # Stéganô - Stéganô is a basic Python Steganography module.
@@ -174,7 +174,7 @@ if __name__ == '__main__':
         img = Image.open(options.input_image_file)
         secret = reveal(img)
         if options.secret_binary != "":
-            data = base64.b64decode(secret)
+            data = tools.base642binary(secret)
             with open(options.secret_binary, "w") as f:
                 f.write(data)
         else:

steganalysis-parity.py

@@ -1,4 +1,4 @@
-#! /usr/local/bin/python
+#!/usr/bin/env python
 #-*- coding: utf-8 -*-
 
 # Stéganô - Stéganô is a basic Python Steganography module.

steganalysis-statistics.py

@@ -1,4 +1,4 @@
-#! /usr/local/bin/python
+#!/usr/bin/env python
 #-*- coding: utf-8 -*-
 
 # Stéganô - Stéganô is a basic Python Steganography module.

tools.py

@@ -1,4 +1,4 @@
-#! /usr/local/bin/python
+#!/usr/bin/env python
 # -*- coding: utf-8 -*-
 
 # Stéganô - Stéganô is a basic Python Steganography module.
@@ -24,6 +24,8 @@ __version__ = "$Revision: 0.1 $"
 __date__ = "$Date: 2010/10/01 $"
 __license__ = "GPLv3"
 
+import base64
+
 def a2bits(chars):
     """
     Converts a string to its bits representation as a string of 0's and 1's.
@@ -100,8 +102,8 @@ def base642binary(b64_fname):
     Convert a printable file to a binary file.
     """
     # Read base64 string
-    fin = open(b64_fname, "r")
+    #fin = open(b64_fname, "r")
-    b64_str = fin.read()
+    #b64_str = fin.read()
-    fin.close()
+    #fin.close()
     # Decode base64 string to original binary sound object
-    return base64.b64decode(b64_str)
+    return base64.b64decode(b64_fname)