diff --git a/architecture/Environments.odg b/architecture/Environments.odg
index 14fe60d..0dff2ee 100644
Binary files a/architecture/Environments.odg and b/architecture/Environments.odg differ
diff --git a/architecture/Environments.png b/architecture/Environments.png
index 3442c2c..0bc689a 100644
Binary files a/architecture/Environments.png and b/architecture/Environments.png differ
diff --git a/bfo/pxelinux.cfg/fedora_prerelease.conf b/bfo/pxelinux.cfg/fedora_prerelease.conf
index 388c12c..2b92000 100644
--- a/bfo/pxelinux.cfg/fedora_prerelease.conf
+++ b/bfo/pxelinux.cfg/fedora_prerelease.conf
@@ -10,6 +10,7 @@ label Fedora-18-Branched-i386
         MENU LABEL Fedora-18-Branched-i386
         kernel http://download.fedoraproject.org/pub/fedora/linux/development/18/i386/os/images/pxeboot/vmlinuz
         initrd http://download.fedoraproject.org/pub/fedora/linux/development/18/i386/os/images/pxeboot/initrd.img
+        APPEND repo=http://download.fedoraproject.org/pub/fedora/linux/development/18/i386/os/
         TEXT HELP
              Selecting this will boot the Fedora 18 Branched i386 installer.
              Note that this is a PRE-RELEASE version. 
@@ -19,6 +20,7 @@ label Fedora-18-Branched-x86_64
         MENU LABEL Fedora-18-Branched-x86_64
         kernel http://download.fedoraproject.org/pub/fedora/linux/development/18/x86_64/os/images/pxeboot/vmlinuz
         initrd http://download.fedoraproject.org/pub/fedora/linux/development/18/x86_64/os/images/pxeboot/initrd.img
+        APPEND repo=http://download.fedoraproject.org/pub/fedora/linux/development/18/x86_64/os/
         TEXT HELP
              Selecting this will boot the Fedora 18 Branched x86_64 installer.
              Note that this is a PRE-RELEASE version. 
@@ -28,6 +30,7 @@ label Fedora-18-Alpha-i386
         MENU LABEL Fedora-18-Alpha-i386
         kernel http://download.fedoraproject.org/pub/fedora/linux/releases/test/18-Alpha/Fedora/i386/os/images/pxeboot/vmlinuz
         initrd http://download.fedoraproject.org/pub/fedora/linux/releases/test/18-Alpha/Fedora/i386/os/images/pxeboot/initrd.img
+        APPEND repo=http://download.fedoraproject.org/pub/fedora/linux/releases/test/18-Alpha/Fedora/i386/os/
         TEXT HELP
              Selecting this will boot the Fedora 18 Alpha i386 installer.
              Note that this is a PRE-RELEASE version. 
@@ -37,6 +40,7 @@ label Fedora-18-Branched-x86_64
         MENU LABEL Fedora-18-Alpha-x86_64
         kernel http://download.fedoraproject.org/pub/fedora/linux/releases/test/18-Alpha/Fedora/x86_64/os/images/pxeboot/vmlinuz
         initrd http://download.fedoraproject.org/pub/fedora/linux/releases/test/18-Alpha/Fedora/x86_64/os/images/pxeboot/initrd.img
+        APPEND repo=http://download.fedoraproject.org/pub/fedora/linux/releases/test/18-Alpha/Fedora/x86_64/os/
         TEXT HELP
              Selecting this will boot the Fedora 18 Alpha x86_64 installer.
              Note that this is a PRE-RELEASE version.