Windows Live Mail - trouble w/signatures

I have a signature file that I used with Outlook Express for several years. Now that I'm using Windows Live Mail, I can use the same file and the options seem to be exactly the same. The signature automatically loads when I create a new email or reply to emails and newsgroup threads. However, I am unable to get the signature to automatically load into my new newsgroup postings.

Has anyone else had this problem and found a fix?

It turns out that I had my newsgroup defaulted to text only and my signature file is html.