Webcam picture is visible. When "Take a Photo" button is pressed, Cheese starts counting down, but the screen doesn't flash as usual, nor a photo is taken.

Ubuntu 12.04 Beta 1 os
Samsung Pleomax PWC-7100 webcam

--- TERMINAL OUTPUT WHEN STARTED ---

Gtk-WARNING **: Attempting to add a widget with type GtkImage to a GtkToggleButton, but as a GtkBin subclass a GtkToggleButton can only contain one widget at a time; it already contains a widget of type GtkLabel

Gtk-WARNING **: Attempting to add a widget with type GtkImage to a GtkToggleButton, but as a GtkBin subclass a GtkToggleButton can only contain one widget at a time; it already contains a widget of type GtkLabel

Gtk-WARNING **: Attempting to add a widget with type GtkImage to a GtkToggleButton, but as a GtkBin subclass a GtkToggleButton can only contain one widget at a time; it already contains a widget of type GtkLabel

Gtk-WARNING **: Attempting to add a widget with type GtkImage to a GtkButton, but as a GtkBin subclass a GtkButton can only contain one widget at a time; it already contains a widget of type GtkLabel

Gtk-WARNING **: Attempting to add a widget with type GtkGrid to a GtkToggleButton, but as a GtkBin subclass a GtkToggleButton can only contain one widget at a time; it already contains a widget of type GtkLabel

Gtk-WARNING **: Attempting to add a widget with type GtkImage to a GtkButton, but as a GtkBin subclass a GtkButton can only contain one widget at a time; it already contains a widget of type GtkLabel


--- TERMINAL OUTPUT WHEN TRYING TO TAKE A PHOTO ---

** CRITICAL **: cheese_main_window_finish_countdown_callback: assertion `self != NULL' failed


--- TERMINAL OUTPUT WHEN QUITTING CHEESE ---

Gtk-CRITICAL **: gtk_main_quit: assertion `main_loops != NULL' failed


--- APT-CACHE SHOW OUTPUT ---

Package: cheese
Priority: optional
Section: universe/gnome
Installed-Size: 320
Maintainer: Ubuntu Desktop Team <ubuntu-desktop@lists.ubuntu.com>
Original-Maintainer: Debian GNOME Maintainers <pkg-gnome-maintainers@lists.alioth.debian.org>
Architecture: i386
Version: 3.3.90-0ubuntu1
Replaces: cheese-common (<< 2.30.1-1ubuntu1)
Depends: libc6 (>= 2.3.6-6~), libcanberra-gtk3-0 (>= 0.25), libcheese-gtk21 (>= 3.3.5), libcheese3 (>= 3.3.3), libclutter-1.0-0 (>= 1.6.1), libclutter-gtk-1.0-0 (>= 0.91.8), libgdk-pixbuf2.0-0 (>= 2.22.0), libgee2 (>= 0.5.0), libglib2.0-0 (>= 2.28.0), libgnome-desktop-3-2 (>= 3.2.0), libgstreamer0.10-0 (>= 0.10.32), libgtk-3-0 (>= 3.0.0), cheese-common (= 3.3.90-0ubuntu1), gnome-video-effects
Recommends: gvfs, gnome-icon-theme, hicolor-icon-theme, nautilus-sendto
Filename: pool/universe/c/cheese/cheese_3.3.90-0ubuntu1_i386.deb
Size: 54652
MD5sum: bde72df676aa45ba0eccbffd62acc508
SHA1: ed8ef1506f99e95accfc0aee50deb7b2ff95d72d
SHA256: 085ae97cb9e4f8d959830828011d65b968afb3219dc2c7a6d35b5a9829681936
Description-en: tool to take pictures and videos from your webcam
 A webcam application that supports image and video capture. Makes
 it easy to take photos and videos of you, your friends, pets or whatever
 you want. Allows you to apply fancy visual effects, fine-control image
 settings and has features such as Multi-Burst mode, Countdown timer
 for photos.
Homepage: http://projects.gnome.org/cheese/
Description-md5: d43e2962bb9e2e6472e35b9746fa32d9
Bugs: https://bugs.launchpad.net/ubuntu/+filebug
Origin: Ubuntu


If more info is needed, I'm happy to provide it.