Huge icons with Apllication Switcher (Alt-Tab) ("Icon", but not "Only show icon")

With the option "Icon" set in the Application Switcher General options (but not "Only show icon"), the overlay icons are far too huge.

Without the "Icon" option, or "Only show icon" it looks OK.

ProblemType: Bug
DistroRelease: Ubuntu 13.10
Package: unity 7.1.1+13.10.20131004-0ubuntu1
ProcVersionSignature: Ubuntu 3.11.0-11.17-generic 3.11.3
Uname: Linux 3.11.0-11-generic x86_64
.tmp.unity.support.test.0:

ApportVersion: 2.12.5-0ubuntu1
Architecture: amd64
CompizPlugins: [core,composite,opengl,decor,resize,compiztoolbox,put,vpswitch,snap,mousepoll,regex,place,session,move,grid,animation,imgpng,wall,expo,unitymtgrabhandles,workarounds,ezoom,staticswitcher,fade,scale,unityshell]
CompositorRunning: compiz
CompositorUnredirectDriverBlacklist: '(nouveau|Intel).*Mesa 8.0'
CompositorUnredirectFSW: true
Date: Tue Oct 8 22:00:17 2013
DistUpgraded: 2013-10-08 21:37:21,390 DEBUG enabling apt cron job
DistroCodename: saucy
DistroVariant: ubuntu
GraphicsCard:
 Intel Corporation 2nd Generation Core Processor Family Integrated Graphics Controller [8086:0126] (rev 09) (prog-if 00 [VGA controller])
   Subsystem: Lenovo Device [17aa:21db]
InstallationDate: Installed on 2012-05-28 (497 days ago)
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release amd64 (20120425)
MachineType: LENOVO 42992PG
MarkForUpload: True
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.11.0-11-generic root=/dev/mapper/vg0-rootlv ro quiet splash vt.handoff=7
SourcePackage: unity
UpgradeStatus: Upgraded to saucy on 2013-10-08 (0 days ago)
dmi.bios.date: 04/11/2013
dmi.bios.vendor: LENOVO
dmi.bios.version: 8DET68WW (1.38 )
dmi.board.asset.tag: Not Available
dmi.board.name: 42992PG
dmi.board.vendor: LENOVO
dmi.board.version: Not Available
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Not Available
dmi.modalias: dmi:bvnLENOVO:bvr8DET68WW(1.38):bd04/11/2013:svnLENOVO:pn42992PG:pvrThinkPadX220Tablet:rvnLENOVO:rn42992PG:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.name: 42992PG
dmi.product.version: ThinkPad X220 Tablet
dmi.sys.vendor: LENOVO
version.compiz: compiz 1:0.9.10+13.10.20131004-0ubuntu1
version.ia32-libs: ia32-libs 20090808ubuntu36
version.libdrm2: libdrm2 2.4.46-1
version.libgl1-mesa-dri: libgl1-mesa-dri 9.2.1-1ubuntu1
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 9.2.1-1ubuntu1
version.xserver-xorg-core: xserver-xorg-core 2:1.14.3-3ubuntu1
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.7.3-0ubuntu3.1
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.2.0-0ubuntu10
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.903-0ubuntu1
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.9-2ubuntu1
xserver.bootTime: Tue Oct 8 21:42:15 2013
xserver.configfile: default
xserver.logfile: /var/log/Xorg.0.log
xserver.outputs:
 product id 728
 vendor LGD
xserver.version: 2:1.14.3-3ubuntu1