Outlook 2007 - Creating Linked Signature Image without attachment using HTML Email type

I want to have our company logo in our Signatures.
We are using Outlook 2007
I have tried every variation of creating signatures in Outlook 2007 Signature Editor without success.
I have directly edited the file %userprofile%\Application Data\Microsoft\Signatures\logo.htm
I have changed the unimaginably bloated html, removing the vml check and the

<img border=0 width=269 height=41 src="Full_files/image002.gif" v:shapes="_x0000_i1025">

to

<img height=41 width=269 src="http://css.experts-exchange.com/xp/images/10yearLogo.png" border=0>

Using Gmail's Show Original option I can see the code in my test Emails.
The actual code in the received email is
<img width=200 height=106 id="_x0000_i1025" src="cid:image001.png@01C861C4.608F7DC0" alt="http://www.domain.com/images/10yearLogo.png">

It was clearly made into an attachment prior to being sent.
Why Why Why
Also, get more points by answering three questions in one!
http://www.experts-exchange.com/Software/Office_Productivity/Groupware/Outlook/Q_22889499.html
http://www.experts-exchange.com/Software/Office_Productivity/Groupware/Outlook/Q_22811303.html

HOW CAN I USE AN IMAGE IN MY OUTLOOK 2007 SIGNATURE WITHOUT MY EMAIL HAVING AN ATTACHMENTStart Free Trial