--- itasca.map.orig	2007-11-22 12:03:48.000000000 +0100
+++ itasca.map	2007-11-21 23:39:38.000000000 +0100
@@ -11,7 +11,14 @@
   IMAGECOLOR 255 255 255
   TEMPLATEPATTERN "itasca"
 
-  IMAGETYPE PNG
+  IMAGETYPE AGG_PNG24
+
+
+    OUTPUTFORMAT
+      NAME 'AGG_PNG24'
+      DRIVER AGG/PNG
+      IMAGEMODE RGB
+    END
 
   #
   # Projection definition, consult the PROJ.4 documentation for parameter discussion