كيف أضيف توقيعي على رسالة في برنامج LaTeX؟

لدي على برنامج LaTeX موضوع إنشاء رسالة، المشكل هو أن الرسالة يجب أن تتضمن توقيعي الممسوح مسبقاً بماسح ضوئي (scanner)، ولا أدري كيفية إضافة هذا التوقيع. هل من مثال توضيحي؟

في الأسف كودي البرمجي للرسالة:

*ملاحظة: الرسالة باللغة الألمانية.

%---------------------------------------------------------------------------
\documentclass%%
%---------------------------------------------------------------------------
  [fontsize=11pt,%%          Schriftgroesse
%---------------------------------------------------------------------------
% Satzspiegel
   paper=a4,%%               Papierformat
   %enlargefirstpage=on,%%    Erste Seite anders
   %pagenumber=headright,%%   Seitenzahl oben mittig  
%---------------------------------------------------------------------------
% Layout
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   parskip=half,%%           Abstand zwischen Absaetzen
%---------------------------------------------------------------------------
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   fromphone=on,%%           Telefonnummer im Absender
   fromrule=aftername,%%     Linie im Absender (aftername, afteraddress)
   fromfax=off,%%            Faxnummer
   fromemail=on,%%           Emailadresse
   fromurl=off,%%            Homepage
   fromlogo=on,%%            Firmenlogo
   addrfield=on,%%           Adressfeld fuer Fensterkuverts
   backaddress=on,%%         ...und Absender im Fenster
   subject=beforeopening,%%  Plazierung der Betreffzeile
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   foldmarks=on,%%           Faltmarken setzen
   numericaldate=off,%%      Datum numerisch ausgeben
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   firstfoot=on,%%           Footerbereich
%---------------------------------------------------------------------------
% Formatierung
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]{scrlttr2}
%---------------------------------------------------------------------------
\usepackage[T1]{fontenc}
\usepackage[english, ngerman]{babel}  
\usepackage{url}
\usepackage{lipsum}
\usepackage[utf8]{inputenc}
%---------------------------------------------------------------------------
% Fonts
\setkomafont{fromname}{\scshape \LARGE}
%\setkomafont{fromaddress}{\sffamily}%% statt \small
%\setkomafont{pagenumber}{\sffamily}
\setkomafont{subject}{\mdseries}
\setkomafont{backaddress}{\mdseries}
\usepackage{newcent}
%---------------------------------------------------------------------------
\begin{document}
%---------------------------------------------------------------------------
% Briefstil und Position des Briefkopfs
\LoadLetterOption{DIN} %% oder: DINmtext, SN, SNleft, KOMAold.
\makeatletter
\@setplength{firstheadvpos}{17mm}
\@setplength{firstfootvpos}{275mm} % Abstand des Footers von oben
\@setplength{firstheadwidth}{\paperwidth}
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\@setplength{foldmarkhpos}{6.5mm}
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%---------------------------------------------------------------------------
% Absender
\setkomavar{fromname}{Max Mustermann}
\setkomavar{fromaddress}{Hauptstraße 1\\12345 Musterhausen}
\setkomavar{fromphone}{+49\,(0)\,123\,123\,123\,1}%
%\renewcommand{\phonename}{Telefon}
\setkomavar{fromemail}{maxmustermann@mst.de}
\setkomavar{backaddressseparator}{ - }
\setkomavar{signature}{(Max Mustermann)}
\setkomavar{location}{\raggedleft

Kundennummer: 12345678 \\}

%---------------------------------------------------------------------------
\setkomavar{date}{\today}
\setkomavar{place}{Musterhausen}
%---------------------------------------------------------------------------
% Anlage neu definieren
\renewcommand{\enclname}{Anlagen}
\setkomavar{enclseparator}{: }
%---------------------------------------------------------------------------
% Seitenstil
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\pagestyle{plain}%% keine Header in der Kopfzeile bzw. plain
\pagenumbering{arabic}
%---------------------------------------------------------------------------
%---------------------------------------------------------------------------
\firstfoot{\footnotesize%
\rule[3pt]{\textwidth}{.4pt} \\
\begin{tabular}[t]{l@{}}% 
\usekomavar{fromname}\\
\usekomavar{fromaddress}\\
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\hfill
\begin{tabular}[t]{l@{}}%
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\ifkomavarempty{frombank}{}{%
\hfill
\begin{tabular}[t]{l@{}}%
\usekomavar{frombank}
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}%
}% 
%---------------------------------------------------------------------------
\setkomavar{frombank}{Kto. 123\,123\,123\\
BLZ 123\,123\,12\\
Musterbank}
%---------------------------------------------------------------------------
\begin{letter}{Maxi Musterfrau\\Nebenstraße 1\\12345 Musterstadt\\}
%---------------------------------------------------------------------------
\setkomavar{subject}{\bf{Betreff}}
%---------------------------------------------------------------------------
%\setkomavar{yourref}{}
%\setkomavar{yourmail}{}
%\setkomavar{myref}{}
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%---------------------------------------------------------------------------
\opening{Sehr geehrte Damen und Herren,}
Lorem ipsum dolor sit amet, consectetur adipiscing elit. Aenean aliquet varius blandit. Suspendisse ligula tortor, feugiat in dapibus a, dictum vel risus. Nulla at justo vitae velit sodales dignissim. Curabitur volutpat porttitor pulvinar. Quisque vulputate massa vitae dui sagittis at ultrices lorem sagittis. Nullam lobortis tincidunt libero, et tincidunt urna consectetur ac. Proin laoreet commodo auctor. Nullam nec eros enim. Maecenas commodo sem consectetur neque ullamcorper vel iaculis massa hendrerit. Integer et sem et justo pharetra mattis ut id ante. Class aptent taciti sociosqu ad litora torquent per conubia nostra, per inceptos himenaeos. Donec elementum pulvinar diam in accumsan. Nam laoreet tincidunt tincidunt. Nam hendrerit, lorem vel gravida fringilla, tellus augue vulputate neque, eu laoreet magna metus eu ante. Nullam auctor arcu augue, sed fringilla velit. Nunc auctor mattis nisl, sed iaculis dolor auctor faucibus. Cras libero ligula, dapibus vel egestas non, porta et ante. Nulla dolor sapien, mollis sed sodales a, posuere vitae ante. 

\closing{Mit freundlichen Grüßen,}
%---------------------------------------------------------------------------
%\ps{PS:}
%\encl{Lebenslauf\\ Zeugnisse}
%\cc{}
%---------------------------------------------------------------------------
\end{letter}
%---------------------------------------------------------------------------
\end{document}
%---------------------------------------------------------------------------