PDF diagrams in LaTeX

Convert postscript to pdf using

$ epstopdf .[e]ps
$ ls *.pdf
.pdf

include in LaTeX file:

\usepackage[pdftex]{graphics}

\begin{figure}
\begin{center}
\scalebox{0.8}{\includegraphics{}}
\caption{....}
\label{fig-...}
\end{center}
\end{figure}