Fixed snake logo and minus image by Daniel Calvelo.
diff --git a/Tools/idle/Icons/minusnode.gif b/Tools/idle/Icons/minusnode.gif
index 6cca2bf..c72e46f 100644
--- a/Tools/idle/Icons/minusnode.gif
+++ b/Tools/idle/Icons/minusnode.gif
Binary files differ
diff --git a/Tools/idle/Icons/python.gif b/Tools/idle/Icons/python.gif
index a7df778..58271ed 100644
--- a/Tools/idle/Icons/python.gif
+++ b/Tools/idle/Icons/python.gif
Binary files differ