A ver, no sé si esto te puede servir.
Código:
<%
set XmlObj = Server.CreateObject("Microsoft.XMLHTTP")
XmlObj.open "POST", "http://www.domain.com", false
XmlObj.send
formatdata = XmlObj.responseText
formatdata = replace(formatdata,"<img src=""../images/logo.gif"">","<img src=""http://yourdomain.com/images/logo.gif"">")
Response.write(formatdata)
Set XmlObj = nothing
%>
SALUDOS!