diff --git a/molecules/sabayon-amd64+x86-gnome.spec b/molecules/sabayon-amd64+x86-gnome.spec
new file mode 100644
index 0000000..f4ade51
--- /dev/null
+++ b/molecules/sabayon-amd64+x86-gnome.spec
@@ -0,0 +1,76 @@
+# Define an alternative execution strategy, in this case, the value must be
+# "iso_remaster"
+execution_strategy: iso_remaster
+
+# Release string
+release_string: Sabayon Linux
+
+# File to write release string
+release_file: /etc/sabayon-edition
+
+# ISO Image title
+iso_title: Sabayon GNOME
+
+# Outer chroot script command, to be executed outside destination chroot before
+# before entering it (and before inner_chroot_script)
+# outer_chroot_script: 
+
+# Execute repositories update here, in a more fault-tolerant flavor
+# inner_chroot_script: 
+
+# Inner chroot script command, to be executed inside destination chroot after
+# packages installation and removal
+# inner_chroot_script_after:
+
+# Outer chroot script command, to be executed outside destination chroot before
+# before entering it (and AFTER inner_chroot_script)
+# outer_chroot_script_after:
+
+# Used to umount /proc and unbind packages dir
+error_script: /sabayon/scripts/remaster_error_script.sh
+
+# Extra mkisofs parameters, perhaps something to include/use your bootloader
+extra_mkisofs_parameters: -b isolinux/isolinux.bin -c isolinux/boot.cat
+
+# Pre-ISO building script. Hook to be able to copy kernel images in place, for example
+pre_iso_script: /sabayon/scripts/amd64_x86_pre_iso_script.sh GNOME 64 32 /sabayon/iso/Sabayon_Linux_8_x86_G.iso
+
+# Post-ISO building script, called after ISO image generation.    
+post_iso_script: /sabayon/scripts/generic_post_iso_script.sh
+
+# Destination directory for the ISO image path (MANDATORY)
+destination_iso_directory: /sabayon/iso
+
+# List of packages that would be removed from chrooted system (comma separated)
+# packages_to_remove:
+
+# List of packages that would be added from chrooted system (comma separated)
+# packages_to_add:
+
+# Custom shell call to packages add (default is: equo install)
+# custom_packages_add_cmd: 
+
+# Custom command for updating repositories (default is: equo update)
+# repositories_update_cmd:
+
+# Determine whether repositories update should be run (if packages_to_add is set)
+# (default is: no), values are: yes, no.
+execute_repositories_update: no
+
+# Directories to remove completely (comma separated)
+# paths_to_remove:
+
+# Directories to empty (comma separated)
+# paths_to_empty:
+
+# Release Version
+release_version: 8
+
+# Release Version string description
+release_desc: amd64+x86 GNOME
+
+# Path to source ISO file (MANDATORY)
+source_iso: /sabayon/iso/Sabayon_Linux_8_amd64_G.iso
+
+# Destination ISO image name, call whatever you want.iso, not mandatory
+destination_iso_image_name: Sabayon_Linux_8_amd64+x86_G.iso
diff --git a/molecules/sabayon-amd64+x86-kde.spec b/molecules/sabayon-amd64+x86-kde.spec
new file mode 100644
index 0000000..b897cb6
--- /dev/null
+++ b/molecules/sabayon-amd64+x86-kde.spec
@@ -0,0 +1,76 @@
+# Define an alternative execution strategy, in this case, the value must be
+# "iso_remaster"
+execution_strategy: iso_remaster
+
+# Release string
+release_string: Sabayon Linux
+
+# File to write release string
+release_file: /etc/sabayon-edition
+
+# ISO Image title
+iso_title: Sabayon KDE
+
+# Outer chroot script command, to be executed outside destination chroot before
+# before entering it (and before inner_chroot_script)
+# outer_chroot_script: 
+
+# Execute repositories update here, in a more fault-tolerant flavor
+# inner_chroot_script: 
+
+# Inner chroot script command, to be executed inside destination chroot after
+# packages installation and removal
+# inner_chroot_script_after:
+
+# Outer chroot script command, to be executed outside destination chroot before
+# before entering it (and AFTER inner_chroot_script)
+# outer_chroot_script_after:
+
+# Used to umount /proc and unbind packages dir
+error_script: /sabayon/scripts/remaster_error_script.sh
+
+# Extra mkisofs parameters, perhaps something to include/use your bootloader
+extra_mkisofs_parameters: -b isolinux/isolinux.bin -c isolinux/boot.cat
+
+# Pre-ISO building script. Hook to be able to copy kernel images in place, for example
+pre_iso_script: /sabayon/scripts/amd64_x86_pre_iso_script.sh KDE 64 32 /sabayon/iso/Sabayon_Linux_8_x86_K.iso
+
+# Post-ISO building script, called after ISO image generation.    
+post_iso_script: /sabayon/scripts/generic_post_iso_script.sh
+
+# Destination directory for the ISO image path (MANDATORY)
+destination_iso_directory: /sabayon/iso
+
+# List of packages that would be removed from chrooted system (comma separated)
+# packages_to_remove:
+
+# List of packages that would be added from chrooted system (comma separated)
+# packages_to_add:
+
+# Custom shell call to packages add (default is: equo install)
+# custom_packages_add_cmd: 
+
+# Custom command for updating repositories (default is: equo update)
+# repositories_update_cmd:
+
+# Determine whether repositories update should be run (if packages_to_add is set)
+# (default is: no), values are: yes, no.
+execute_repositories_update: no
+
+# Directories to remove completely (comma separated)
+# paths_to_remove:
+
+# Directories to empty (comma separated)
+# paths_to_empty:
+
+# Release Version
+release_version: 8
+
+# Release Version string description
+release_desc: amd64+x86 KDE
+
+# Path to source ISO file (MANDATORY)
+source_iso: /sabayon/iso/Sabayon_Linux_8_amd64_K.iso
+
+# Destination ISO image name, call whatever you want.iso, not mandatory
+destination_iso_image_name: Sabayon_Linux_8_amd64+x86_K.iso
diff --git a/scripts/amd64_x86_pre_iso_script.sh b/scripts/amd64_x86_pre_iso_script.sh
new file mode 100755
index 0000000..6a47fe9
--- /dev/null
+++ b/scripts/amd64_x86_pre_iso_script.sh
@@ -0,0 +1,76 @@
+#!/bin/bash
+# example call:
+# amd64_x86_pre_iso_script.sh GNOME 64 32 /path/to/Sabayon_Linux_DAILY_x86_G.iso
+
+remaster_type="${1}"
+current_arch="${2}"
+other_arch="${3}"
+other_iso_path="${4}"
+
+/usr/sbin/env-update
+. /etc/profile
+
+pre_iso_signal_handler() {
+	if [ -d "${tmp_dir}" ] && [ -n "${tmp_dir}" ]; then
+		umount -f "${tmp_dir}"
+		umount -f "${tmp_dir}"
+		rmdir "${tmp_dir}"
+	fi
+}
+trap "pre_iso_signal_handler" EXIT SIGINT SIGQUIT SIGILL SIGTERM SIGHUP
+
+if [ ! -f "${other_iso_path}" ]; then
+	echo "${other_iso_path} not found"
+	exit 1
+fi
+
+isolinux_destination="${CDROOT_DIR}/isolinux/txt.cfg"
+isolinux_source="/sabayon/remaster/minimal_amd64_x86_isolinux.cfg"
+cp "${isolinux_source}" "${isolinux_destination}" || exit 1
+
+ver=${RELEASE_VERSION}
+[[ -z "${ver}" ]] && ver=${CUR_DATE}
+[[ -z "${ver}" ]] && ver="6"
+
+sed -i "s/__VERSION__/${ver}/g" "${isolinux_destination}"
+sed -i "s/__FLAVOUR__/${remaster_type}/g" "${isolinux_destination}"
+
+kms_string=""
+# should KMS be enabled?
+if [ -f "${CHROOT_DIR}/.enable_kms" ]; then
+	rm "${CHROOT_DIR}/.enable_kms"
+	kms_string="radeon.modeset=1"
+else
+	# enable vesafb-tng then
+	kms_string="video=vesafb:ywrap,mtrr:3"
+fi
+sed -i "s/__KMS__/${kms_string}/g" "${isolinux_destination}"
+
+# setup squashfs loop files
+mv "${CDROOT_DIR}/livecd.squashfs" "${CDROOT_DIR}/livecd${current_arch}.squashfs" || exit 1
+# mount other iso image and steal livecd.squashfs
+tmp_dir=$(mktemp -d --suffix=amd64_x86_pre_iso --tmpdir=/var/tmp 2> /dev/null)
+if [ -z "${tmp_dir}" ]; then
+	echo "Cannot create temporary directory"
+	exit 1
+fi
+# also rename kernel and initramfs inside the CDROOT dir
+mv "${CDROOT_DIR}/boot/sabayon" "${CDROOT_DIR}/boot/sabayon${current_arch}" || exit 1
+mv "${CDROOT_DIR}/boot/sabayon.igz" "${CDROOT_DIR}/boot/sabayon${current_arch}.igz" || exit 1
+
+mount -o loop "${other_iso_path}" "${tmp_dir}" || exit 1
+other_squashfs_path="${tmp_dir}/livecd.squashfs"
+if [ ! -f "${other_squashfs_path}" ]; then
+	echo "Cannot find ${other_squashfs_path}"
+	exit 1
+fi
+cp "${other_squashfs_path}" "${CDROOT_DIR}/livecd${other_arch}.squashfs" || exit 1
+# copy kernel and initramfs
+cp "${tmp_dir}/boot/sabayon" "${CDROOT_DIR}/boot/sabayon${other_arch}" || exit 1
+cp "${tmp_dir}/boot/sabayon.igz" "${CDROOT_DIR}/boot/sabayon${other_arch}.igz" || exit 1
+
+# copy back.jpg to proper location
+isolinux_img="${CHROOT_DIR}/usr/share/backgrounds/isolinux/back.jpg"
+if [ -f "${isolinux_img}" ]; then
+	cp "${isolinux_img}" "${CDROOT_DIR}/isolinux/" || exit 1
+fi