\documentclass{article}

\usepackage{epsfig}

\pagestyle{empty}

\begin{document}
\begin{figure}[t]
\setlength{\unitlength}{.9pt}
\begin{picture}(400, 200)(0, 30)
\put(0,120) {\epsfig{figure=thrun_game.eps,width=1.5in}}
\put(0,180) {\epsfig{figure=twomdp.eps,width=1.5in}}
\put(130,120) {\epsfig{figure=fig1.eps,width=1.5in}}
\put(260,120) {\epsfig{figure=phase1.eps,width=1.5in}}
\end{picture}
\end{figure}


\end{document}


TAKEN FROM kalman/figs/res2.tex
\put(2,10) {\psfig{figure=thrun_game.eps,width=2in}}
\put(2,2) {\psfig{figure=twomdp.eps,width=2in}}
\put(25,0) {\psfig{figure=fig1.eps,width=2in}}
\put(50,0) {\psfig{figure=phase1.eps,width=2in}}