Some icons on control toolbar too big to fit on a button

[japela]

Symptoms:
Previous Chapter/Movie button icon too big to fit on the button surface;
Both Play and Pause button icons too big to fit on the button surface;
Next Chapter/Movie button icon too big to fit on the button surface.

Output of lsb_release -rd:
"Description: Ubuntu 11.10
Release: 11.10"

(I use the Lubuntu flavor of the *buntus. That gives me no easy way to change GTK3 appearance, I think.)

Output of apt-cache policy totem:
"totem:
  Installed: 3.0.1-0ubuntu7.1
  Candidate: 3.0.1-0ubuntu7.1
  Version table:
 *** 3.0.1-0ubuntu7.1 0
        500 http://fi.archive.ubuntu.com/ubuntu/ oneiric-updates/main i386 Packages
        100 /var/lib/dpkg/status
     3.0.1-0ubuntu5 0
        500 http://fi.archive.ubuntu.com/ubuntu/ oneiric/main i386 Packages"

ProblemType: Bug
DistroRelease: Ubuntu 11.10
Package: totem 3.0.1-0ubuntu7.1
ProcVersionSignature: Ubuntu 3.0.0-14.23-generic-pae 3.0.9
Uname: Linux 3.0.0-14-generic-pae i686
NonfreeKernelModules: nvidia
ApportVersion: 1.23-0ubuntu4
Architecture: i386
Date: Wed Dec 28 19:36:38 2011
ExecutablePath: /usr/bin/totem
InstallationMedia: Lubuntu 11.10 "Oneiric Ocelot" - Release i386 (20111012)
SourcePackage: totem
UpgradeStatus: No upgrade log present (probably fresh install)
XsessionErrors:
 (firefox:2101): Gtk-CRITICAL **: IA__gtk_clipboard_set_with_data: assertion `targets != NULL' failed
 (firefox:2101): Gtk-CRITICAL **: IA__gtk_clipboard_get_for_display: assertion `!display->closed' failed
 (firefox:2101): Gtk-CRITICAL **: IA__gtk_clipboard_get_for_display: assertion `!display->closed' failed

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.