diff --git a/cross/crosschroot-lenny.conf b/cross/crosschroot-lenny.conf
new file mode 100644
index 0000000..e1f2c0f
--- /dev/null
+++ b/cross/crosschroot-lenny.conf
@@ -0,0 +1,26 @@
+# Example multistrap configuration file for a cross chroot for armel
+# Need to use cascading to select the toolchain for the requested arch.
+
+[General]
+arch=
+directory=
+# same as --tidy-up option if set to true
+cleanup=true
+# same as --no-auth option if set to true
+# keyring packages listed in each debootstrap will
+# still be installed.
+noauth=false
+# extract all downloaded archives (default is true)
+unpack=true
+# the order of sections is not important.
+# the debootstrap option determines which repository
+# is used to calculate the list of Priority: required packages.
+debootstrap=Debian Base Toolchains
+aptsources=Debian Toolchains
+
+# Lenny toolchains need -base from Lenny.
+[Base]
+packages=gcc-4.2-base dpkg-dev binutils-multiarch
+source=http://ftp.uk.debian.org/debian
+keyring=debian-archive-keyring
+suite=stable
diff --git a/cross/crosschroot-squeeze.conf b/cross/crosschroot-squeeze.conf
new file mode 100644
index 0000000..f87bba0
--- /dev/null
+++ b/cross/crosschroot-squeeze.conf
@@ -0,0 +1,33 @@
+# Example multistrap configuration file for a cross chroot for armel
+# Need to use cascading to select the toolchain for the requested arch.
+
+[General]
+arch=
+directory=
+# same as --tidy-up option if set to true
+cleanup=true
+# same as --no-auth option if set to true
+# keyring packages listed in each debootstrap will
+# still be installed.
+noauth=false
+# extract all downloaded archives (default is true)
+unpack=true
+# the order of sections is not important.
+# the debootstrap option determines which repository
+# is used to calculate the list of Priority: required packages.
+debootstrap=Debian Base Toolchains
+aptsources=Debian Toolchains
+
+# Lenny toolchains need -base from Lenny.
+[Base]
+packages=gcc-4.2-base
+source=http://ftp.uk.debian.org/debian
+keyring=debian-archive-keyring
+suite=stable
+
+# this is a duplicate if the suite is the same as the toolchain.
+[Debian]
+packages=dpkg-dev binutils-multiarch
+source=http://ftp.uk.debian.org/debian
+keyring=debian-archive-keyring
+suite=testing
diff --git a/cross/crosschroot.conf b/cross/crosschroot.conf
index 337e9d2..90a0f7b 100644
--- a/cross/crosschroot.conf
+++ b/cross/crosschroot.conf
@@ -25,8 +25,9 @@ source=http://ftp.uk.debian.org/debian
 keyring=debian-archive-keyring
 suite=stable
 
+# this is a duplicate if the suite is the same as the toolchain.
 [Debian]
 packages=dpkg-dev binutils-multiarch
 source=http://ftp.uk.debian.org/debian
 keyring=debian-archive-keyring
-suite=stable
+suite=unstable
diff --git a/debian/changelog b/debian/changelog
index b19d0c8..eabf89b 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -10,8 +10,10 @@ multistrap (2.1.2) experimental; urgency=low
   * Add support for reinstalling packages known to fail due to preinst
     problems.
   * Add a simple C file to test the compiler inside the chroot
+  * sort duplicate sources list entries and use dedicated sources list
+    files
 
- -- Neil Williams <codehelp@debian.org>  Tue, 20 Apr 2010 18:15:22 +0100
+ -- Neil Williams <neilw@toby-churchill.com>  Wed, 21 Apr 2010 15:23:23 +0100
 
 multistrap (2.1.1) experimental; urgency=low
 
diff --git a/multistrap b/multistrap
index 06066be..477dbab 100755
--- a/multistrap
+++ b/multistrap
@@ -31,7 +31,7 @@ use vars qw/ $progname $ourversion $dstrap $extra @aptsources $mirror
  $component $repo @dirs @touch %sources $section %keys $host $key $value
  $type $file $config $tidy $noauth $keyring %keyrings $deflist $cfgdir
  @extrapkgs @includes %source $setupsh $configsh $omitrequired $dryrun
- $omitpreinst @reinstall $tgzname /;
+ $omitpreinst @reinstall $tgzname %uniq /;
 
 setlocale(LC_MESSAGES, "");
 textdomain("multistrap");
@@ -237,7 +237,14 @@ foreach $repo (sort keys %suites)
 		mkdir "$dir/${cachedir}archives/partial";
 	}
 }
-foreach my $aptsrc (@aptsources)
+%uniq=();
+foreach my $line (@debootstrap)
+{
+	$uniq{$line}++;
+}
+@debootstrap=sort keys %uniq;
+%uniq=();
+foreach my $aptsrc (@debootstrap)
 {
 	if (defined $deflist)
 	{
@@ -248,7 +255,7 @@ foreach my $aptsrc (@aptsources)
 	}
 	elsif (-d "${dir}etc/apt/")
 	{
-		open (SOURCES, ">>${dir}etc/apt/sources.list.d/multistrap.sources.list") 
+		open (SOURCES, ">>${dir}etc/apt/sources.list.d/multistrap-${aptsrc}.list") 
 			or die _g("Cannot open sources list"). $!;
 		$mirror = $sources{$aptsrc};
 		$suite = $suites{$aptsrc};
@@ -324,7 +331,7 @@ foreach my $sect (sort keys %packages)
 chomp($str);
 $str .= " " . join (' ', values %keyrings) . " "; 
 chomp($str);
-my %uniq=();
+%uniq=();
 @s = split (' ', $str);
 foreach my $a (@s)
 {
@@ -353,11 +360,28 @@ if (-l "${dir}lib64" ) {
 	}
 	else
 	{
-		printf (_g("\nMultistrap system installed successfully in %s.\n\n"), $dir);
+		printf (_g("\nMultistrap system installed successfully in %s.\n"), $dir);
 	}
 }
+# cleanly separate the debootstrap sources from the final apt sources.
 unlink ("${dir}etc/apt/sources.list.d/multistrap.sources.list")
 	if (-f "${dir}etc/apt/sources.list.d/multistrap.sources.list");
+opendir (LISTS, "${dir}etc/apt/sources.list.d/")
+	or die (_g("Cannot read apt sources list directory.\n"));
+my @sources=grep(!m:\.\.?$:, readdir LISTS);
+closedir (LISTS);
+foreach my $filelist (@sources)
+{
+	next if (-d $filelist);
+	unlink ("${dir}etc/apt/sources.list.d/$filelist");
+}
+%uniq=();
+foreach my $line (@aptsources)
+{
+	$uniq{$line}++;
+}
+@aptsources=sort keys %uniq;
+%uniq=();
 foreach my $aptsrc (@aptsources)
 {
 	if (defined $deflist)
@@ -369,7 +393,7 @@ foreach my $aptsrc (@aptsources)
 	}
 	elsif (-d "${dir}etc/apt/")
 	{
-		open (SOURCES, ">>${dir}etc/apt/sources.list.d/multistrap.sources.list") 
+		open (SOURCES, ">>${dir}etc/apt/sources.list.d/multistrap-${aptsrc}.list") 
 			or die _g("Cannot open sources list"). $!;
 		$mirror = $sources{$aptsrc};
 		$suite = $suites{$aptsrc};
@@ -381,6 +405,8 @@ END
 		close SOURCES;
 	}
 }
+# altered the sources, so get apt to update.
+(not defined $tidy) ? system ("apt-get $config_str update") : &tidy_apt;
 
 if (defined $tgzname)
 {
@@ -391,12 +417,14 @@ if (defined $tgzname)
 	$retval /= 256;
 	if ($retval == 0)
 	{
-		printf (_g("\nRemoving build directory: '%s'\n\n"), $dir);
+		printf (_g("\nRemoving build directory: '%s'\n"), $dir);
 		system ("rm -rf $dir/*");
 	}
-	printf (_g("\nMultistrap system packaged successfully as %s.\n\n"), $tgzname);
+	my $final_path=`realpath $dir/../$tgzname`;
+	chomp ($final_path);
+	printf (_g("\nMultistrap system packaged successfully as %s.\n"), $final_path);
 }
-
+print "\n";
 exit 0;
 
 sub our_version {