diff -up slim-1.3.0/slim.conf.orig slim-1.3.0/slim.conf
--- slim-1.3.0/slim.conf.orig	2007-07-15 16:09:28.000000000 +0200
+++ slim-1.3.0/slim.conf	2008-09-24 15:32:17.000000000 +0200
@@ -54,7 +54,8 @@ login_cmd           exec /bin/bash -logi
 sessions            xfce4,icewm,wmaker,blackbox
 
 # Executed when pressing F11 (requires imagemagick)
-screenshot_cmd      import -window root /slim.png
+#screenshot_cmd      import -window root /slim.png
+screenshot_cmd      xwd -root > /slim.xwd
 
 # welcome message. Available variables: %host, %domain
 welcome_msg         Welcome to %host