1 \documentclass{article}

     2 \begin{document}

     3 This document contains a figure. 

     4 The figure \ref{fig:lion} is a drawing by Duane Bibby. 

     5 \begin{figure}

     6 \centering

     7 \label{fig:lion}

     8 \caption[CTAN Lion]{CTAN lion drawing by Duane Bibby; thanks to www.ctan.org}

     9 \includegraphics[scale=0.8, angle=30]{lion_orig.png}

    10 \end{figure}

    11 \end{document}