\documentclass[twoside]{article}
\usepackage[applemac]{inputenc}
\usepackage{present}
\usepackage[T1]{fontenc}
\usepackage{utopia}
\usepackage[frenchb]{babel}
\hypersetup{pdfpagemode=none}
\pagestyle{empty}
\begin{document}
    \refstepcounter{section}
    \addcontentsline{toc}{section}
    {Logo Metz (PNG)}
        \par
\vspace*{\fill}
\begin{center}
    \includegraphics[width=18cm]{gutmetz}\\
    \hyperdef{images}{png}{\LARGE PNG}
 \end{center}   
    \vspace*{\fill}\par
\clearpage
\refstepcounter{section}
    \addcontentsline{toc}{section}
    {Euler (PDF)}
        \par
\vspace*{\fill}
\begin{center}
    \includegraphics[height=17cm]{euler}\\
    \hyperdef{images}{pdf}{\LARGE PDF}
 \end{center}   
    \vspace*{\fill}\par
\clearpage
\refstepcounter{section}
    \addcontentsline{toc}{section}
    {Lion (JPEG)}
        \par
\vspace*{\fill}
\begin{center}
    \includegraphics[height=18cm]{lion}\\
    \hyperdef{images}{jpg}{\LARGE JPEG}
 \end{center}   
    \vspace*{\fill}\par
\clearpage
\refstepcounter{section}
    \addcontentsline{toc}{section}
    {Poincar{\'e} (MPS)}
        \par
\vspace*{\fill}
\begin{center}
    \includegraphics[width=18cm]{fig}\\
    \hyperdef{images}{mps}{\LARGE Metapost}
 \end{center}   
    \vspace*{\fill}\par
\clearpage
\refstepcounter{section}
    \addcontentsline{toc}{section}
    {Dodo (TIFF)}
        \par
\vspace*{\fill}
\begin{center}
    \includegraphics[width=18cm]{dodo}\\
    \hyperdef{images}{tif}{\LARGE TIFF}
 \end{center}   
    \vspace*{\fill}\par
\end{document}
