Windows Live Mail does NOT show picture/logo in Signatures

Apologies if this has already been answered so it ACTUALLY WORKS, but I've tried ALL available answers and posts and I cannot get my logo to appear...! - I have tried repeatedly changing the signature name, location and logo images, and also tried both .png and .jpg files all without success.

Pasted immediately below is the saved 'signature.html' file exactly as it's saved in my C:\Users\Mark\Documents\Signatures folder, where the image also resides, and attached to this post is a screenshot of what happens when I try to compose a new email;

<META HTTP-EQUIV="Content-Type" CONTENT="text/html;charset=iso-8859-1">
<HTML><HEAD></HEAD>
<BODY dir=ltr>
<DIV dir=ltr>
<DIV style="FONT-SIZE: 12pt; FONT-FAMILY: 'Calibri'; COLOR: #000000">
<DIV>&nbsp;</DIV>
<DIV style="FONT-SIZE: 12pt; FONT-FAMILY: 'Calibri'; COLOR: #000000">
<DIV dir=ltr>
<DIV style="FONT-SIZE: 12pt; FONT-FAMILY: 'Calibri'; COLOR: #000000">
<DIV>&nbsp;</DIV>
<DIV>&nbsp;</DIV>
<DIV>&nbsp;</DIV>
<DIV>&nbsp;</DIV>
<DIV><FONT color=#0000ff size=4>Mark</FONT></DIV>
<DIV>&nbsp;</DIV>
<DIV><IMG title=Illuminatus-logo.png
style="BORDER-TOP: 0px; BORDER-RIGHT: 0px; BACKGROUND-IMAGE: none; BORDER-BOTTOM: 0px; PADDING-TOP: 0px; PADDING-LEFT: 0px; BORDER-LEFT: 0px; DISPLAY: inline; PADDING-RIGHT: 0px"
border=0 alt=Illuminatus-logo.png
src="C:\Users\Mark\Documents\Signatures\Illuminatus-logo.png" width=644 height=253></DIV>
<DIV>&nbsp;</DIV>
<DIV><A
href="mailto:*** Email address is removed for privacy ***">*** Email address is removed for privacy ***</A>&nbsp;&nbsp;&nbsp;
<A
href="http://www.illuminatus-pyrotechnics.co.uk">www.illuminatus-pyrotechnics.co.uk</A>&nbsp;&nbsp;&nbsp;
<A
href="http://www.facebook.com/illuminatus-pyrotechnics">www.facebook.com/illuminatus-pyrotechnics</A></DIV>
<DIV>&nbsp;</DIV>
<DIV>&nbsp;</DIV></DIV></DIV></DIV></DIV></DIV></BODY></HTML>

PLEASE PLEASE PLEASE could somebody put me out of my misery and tell me where I'm going wrong.

Many thanks all.....