\documentclass{article}
\usepackage{graphicx}
\begin{document}

\begin{figure}
\includegraphics{fig_testd.pdf}
\caption{Grid with one-quarter inch squares}
\end{figure}

\begin{figure}
\includegraphics{fig_testd.ps}
\caption{Grid with one-quarter inch squares (multiplied by 200/216
because the \texttt{.ps} file is that much smaller than the \texttt{.pdf}
file).}
\end{figure}

\begin{figure}
\includegraphics{fig_teste.pdf}
\caption{This is the image that has been giving us so much trouble.
Hopefully it converts properly on both XP and unix systems..}
\end{figure}

\end{document}
