Ubuntu Precise alternate OEM: No slideshow during end user setup

Ubuntu Precise alternate 20120418: OEM Installation

There is not slideshow after filing information for the end user. Only a dialog with a progress bar and progression messages but no slides.

ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: ubiquity (not installed)
ProcVersionSignature: Ubuntu 3.2.0-23.36-generic 3.2.14
Uname: Linux 3.2.0-23-generic x86_64
ApportVersion: 2.0.1-0ubuntu4
Architecture: amd64
Date: Wed Apr 18 15:21:11 2012
EcryptfsInUse: Yes
InstallCmdLine: file=/cdrom/preseed/ubuntu.seed vga=788 initrd=/install/initrd.gz quiet -- keyboard-configuration/layoutcode=fr keyboard-configuration/variantcode=oss oem-config/enable=true
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Beta amd64 (20120418)
ProcEnviron:
 TERM=xterm
 PATH=(custom, no user)
 LANG=fr_FR.UTF-8
 SHELL=/bin/bash
SourcePackage: ubiquity
UpgradeStatus: No upgrade log present (probably fresh install)