Try this.
Put your sig on a piece of paper, scan & save it as a GIF file.
If Outlook or Outlook express use RTF fomat or HTML and drag and drop
your gif into your message.
This is another that may help.
Text Effects (no install)
http://blaizfree.net/
http://www.blaiz.net/TE.ZIP
Create 3D multicolor graphical text - Web logo, greeting card,
advertising - Realtime screen color grab - Background color - Bitmap,
jpeg, icon (transparent), email signatures (htm/html). Integrated Help.
Multilingual interface - see our Select Language. Updated toolbar,
define new canvas size, enlarge/shrink 25%, invert, shade light/dark,
distort, manual resize, ´active´ text box prompt.
See Example Text Effects - Reflection 1 "COOL" How To: and Reflection 2
"computers...." - under "INFO"
Windows 95/98/ME/NT/2000/XP No Installation
This is out of the help file in Outlook Express
To add a signature to outgoing messages
1. On the Tools menu, click Options, and then click the Signatures
tab.
2. To create a signature, click New and then either enter text in
the Edit Signature box or click File, and then find the text or HTML
file you'd like to use.
3. Select the Add signatures to all outgoing messages check box.
Notes
* To use different signatures for different accounts, in the
Signatures area, select the signature, click Advanced, and then select
the account you want to use the signature with.
* To use a signature on individual messages only, make sure to
clear Add signatures to all outgoing messages. When you compose the
message, on the Insert menu, point to Signatures, and then click the
signature you want to use.