Twin directories of thumbs:

[DIR]  ftp://ftp.star.ucl.ac.uk/idh/eMaxR/thumbs/
[DIR]  ftp://82.96.64.7/pub/linux/kernel/people/dvhart/ols2007/thumbs/
[DIR]  ftp://ftp.eutelia.it/pub/Sunsite_Mirror/kernel.org/pub/kernel/people/dvhart/ols2007/thumbs/
[DIR]  ftp://ftp.fi.upm.es/pub/kde/screenshots/images/3.1/thumbs/
[DIR]  ftp://ftp.fi.upm.es/pub/kde/screenshots/images/3.2/thumbs/
[DIR]  ftp://ftp.fi.upm.es/pub/kde/screenshots/images/3.3/thumbs/
[DIR]  ftp://ftp.fi.upm.es/pub/kde/screenshots/images/3.4/thumbs/
[DIR]  ftp://ftp.fi.upm.es/pub/kde/screenshots/images/3.5/thumbs/
[DIR]  ftp://ftp.uni-frankfurt.de/pub/Mirrors2/ftp.kernel.org/pub/linux/kernel/people/dvhart/ols2007/thumbs/
[DIR]  ftp://debian.lcs.mit.edu/pub/linux/kernel/people/dvhart/ols2007/thumbs/
[DIR]  ftp://ftp.kfki.hu/pub/linux/ftp.kernel.org/pub/linux/kernel/people/dvhart/ols2007/thumbs/
[DIR]  ftp://ftp.cprm.net/.disk2/kernel/kernel/people/dvhart/ols2007/thumbs/
[DIR]  ftp://ftp.datacomm.ch/pub/mirror/ftp.kernel.org/linux/kernel/people/dvhart/ols2007/thumbs/
[DIR]  ftp://ftp.kreonet.re.kr/linux/kernel/people/dvhart/ols2007/thumbs/
[DIR]  ftp://ftp.kreonet.re.kr/gnu/ibiblio/www/savannah-checkouts/non-gnu/straw/images/thumbs/
[DIR]  ftp://ftp.kreonet.re.kr/gnu/ibiblio/www/savannah-checkouts/non-gnu/thumbs/
[DIR]  ftp://ftp.kreonet.re.kr/gnu/ibiblio/www/savannah-checkouts/non-gnu/guimoo/img/thumbs/
[DIR]  ftp://ftp.kreonet.re.kr/gnu/ibiblio/www/savannah-checkouts/non-gnu/campgen/data/thumbs/
[DIR]  ftp://ftp.kreonet.re.kr/gnu/ibiblio/www/savannah-checkouts/non-gnu/dino/images/screenshots/thumbs/
[DIR]  ftp://ftp.kreonet.re.kr/gnu/ibiblio/www/savannah-checkouts/non-gnu/freecycle/thumbs/
[DIR]  ftp://ftp.kreonet.re.kr/gnu/ibiblio/www/savannah-checkouts/gnu/gnump3d/thumbs/
[DIR]  ftp://ftp.cs.helsinki.fi/pub/Software/Linux/Kernel/people/dvhart/ols2007/thumbs/
[DIR]  ftp://ftp.prz.rzeszow.pl/pub/gentoo/portage/rox-base/thumbs/
[DIR]  ftp://ftp.prz.rzeszow.pl/pub/gentoo/portage/app-emacs/thumbs/
[DIR]  ftp://ftp.mssl.ucl.ac.uk/pub/solar/lkh/SWG_dublin/SWG_dublin/FMIR Sticking.key/thumbs/
[DIR]  ftp://ftp.ipp.mpg.de/outgoing/Ferus/Ferenc_ppt/Vortrag Berlin 11 Juli 2008.key/thumbs/
[DIR]  ftp://129.21.60.34/pub/linux/kernel/people/dvhart/ols2007/thumbs/
[DIR]  ftp://ftp.nz.debian.org/gentoo-x86-portage/rox-base/thumbs/
[DIR]  ftp://ftp.nz.debian.org/gentoo-x86-portage/app-emacs/thumbs/
[DIR]  ftp://ftp.port80.se/pub/linux/kernel/people/dvhart/ols2007/thumbs/
[DIR]  ftp://ftp.cs.kuleuven.be/pub/Ada-Belgium/mirrors/pal/ajpo/gifs/thumbs/
[DIR]  ftp://ftp.cc.keio.ac.jp/kernel.org/kernel/people/dvhart/ols2007/thumbs/
[DIR]  ftp://ftp.uni-koeln.de/institute/meteo/mirrors/nottingham/latest/jpg.old/thumbs/
[DIR]  ftp://130.251.19.2/pub/linux/kernel/people/dvhart/ols2007/thumbs/
[DIR]  ftp://ftp.wh2.tu-dresden.de/pub/mirrors/kernel.org/linux/kernel/people/dvhart/ols2007/thumbs/
[DIR]  ftp://ftp.wh2.tu-dresden.de/pub/mirrors/gentoo-portage/rox-base/thumbs/
[DIR]  ftp://ftp.wh2.tu-dresden.de/pub/mirrors/gentoo-portage/app-emacs/thumbs/
[DIR]  ftp://ftp.swin.edu.au/gentoo-portage/rox-base/thumbs/
[DIR]  ftp://ftp.swin.edu.au/gentoo-portage/app-emacs/thumbs/
[DIR]  ftp://ftp.mgts.by/pub/linux/kernel/people/dvhart/ols2007/thumbs/
[DIR]  ftp://ftp.mgts.by/pub/gentoo/gentoo-portage/rox-base/thumbs/
[DIR]  ftp://ftp.mgts.by/pub/gentoo/gentoo-portage/app-emacs/thumbs/
[DIR]  ftp://gnjilux.cc.fer.hr/pub/msdos/emulators/amiga/developer_pics/thumbs/
[DIR]  ftp://ftp.idiap.ch/pub/perey/AMI VisionVideo 2006/Full_Interactive/FlashPlayer/thumbs/
[DIR]  ftp://ftp.idiap.ch/pub/perey/AMI VisionVideo ver 2.0/FlashPlayer/thumbs/
[DIR]  ftp://ftp.idiap.ch/pub/vincia/acquisitions/lines/thumbs/thumbs/
[DIR]  ftp://ftp.idiap.ch/pub/vincia/acquisitions/lines/thumbs/
[DIR]  ftp://ftp.idiap.ch/pub/vincia/acquisitions/pages/thumbs/thumbs/
[DIR]  ftp://ftp.idiap.ch/pub/vincia/acquisitions/pages/thumbs/
[DIR]  ftp://155.98.64.81/pub/linux/kernel/people/dvhart/ols2007/thumbs/