Unable to get SSH tunneling to work from office. Blank Web page and no errors as results.

Hello.

I seem to have problems getting my SSH tunneling to work from work. I
followed the instructions on
http://thinkhole.org/wp/2006/05/10/howto-secure-firefox-and-im-with-putty/
.... and I am not getting any Web pages encrypted from Linux boxes with
SSH connections. I also tried it on two systems (my computer with
SeaMonkey v1.1.7 and a clean VMware v5.5.5 image with clean XP Pro. SP2
and new Firefox v2 installation). I even tried newsgroups in both
SeaMonkey and Outlook Express v6.0.

http://img232.imageshack.us/img232/5462/screenshotsvv0.gif screen shots
show what I did. I wonder if I am doing something wrong or maybe IT
blocked this too (how?)? I can SSH via PuTTY just fine. Tunneling seems
to fail. Also, notie that without a ssh connection or using wrong port,
then I do get proxy errors. So, it seems like my proxy setup looked
correct.

Thank you in advance. :)
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