\documentclass[pdftex,landscape]{slides}

\newcommand{\xxtoday} {dd.mm.2003}
\newcommand{\lecturer} {Your Name}

% init.tex contains some macros. Please use them. 
\input init.tex

% Add macros that are specific to your lecture:

\newcommand{\titel} {Seminar <no>: <title>}

\begin{myslide}

  \begin{center}

    T-79.514 Special Course on Cryptology

    \vspace*{\stretch{2}}

    {\Large \titel}

    \vspace*{\stretch{2}}

    \textcolor{red}{<your name>}\\
    \medskip \smallskip
    {\small Helsinki University of Technology}\\
    \texttt{<your email or homepage>}\\

    \vspace*{\stretch{1}}

%    \today

  \end{center}

\end{myslide}

\begin{myslide}
  \slidetitle{Overview of the Lecture}

  \begin{itemize}
  \item \ldots
  \item \ldots
  \end{itemize}
\end{myslide}

\begin{myslide}
  \slidetitle{Etc}

  \begin{itemize}
  \item \ldots
  \end{itemize}
\end{myslide}

\end{document}

