Does anybody know, how I can allign 16 images like a grid with 4 columns and 4 rows?
\begin{figure}
\begin{tabular}{cccc}
\subfloat[0,1 s]{\includegraphics[width = 1.5in]{25.gif}}&
\subfloat[25 s]{\includegraphics[width = 1.5in]{26.gif}}&
\subfloat[750 s]{\includegraphics[width = 1.5in]{27.gif}}&
\subfloat[1618,55 s]{\includegraphics[width = 1.5in]{28.gif}}\\
\subfloat[0,1 s]{\includegraphics[width = 1.5in]{29.gif}}&
\subfloat[25 s]{\includegraphics[width = 1.5in]{30.gif}}&
\subfloat[750 s]{\includegraphics[width = 1.5in]{31.gif}}&
\subfloat[1618,55 s]{\includegraphics[width = 1.5in]{32.gif}}\\
\subfloat[0,1 s]{\includegraphics[width = 1.5in]{33.gif}}&
\subfloat[25 s]{\includegraphics[width = 1.5in]{34.gif}}&
\subfloat[750 s]{\includegraphics[width = 1.5in]{35.gif}}&
\subfloat[1618,55 s]{\includegraphics[width = 1.5in]{36.gif}}\\
\subfloat[0,1 s]{\includegraphics[width = 1.5in]{37.gif}}&
\subfloat[25 s]{\includegraphics[width = 1.5in]{38.gif}}&
\subfloat[750 s]{\includegraphics[width = 1.5in]{39.gif}}&
\subfloat[1618,55]{\includegraphics[width = 1.5in]{40.gif}}\\
\subfloat[0,1 s]{\includegraphics[width = 1.5in]{41.gif}}&
\subfloat[25 s]{\includegraphics[width = 1.5in]{42.gif}}&
\subfloat[750 s]{\includegraphics[width = 1.5in]{43.gif}}&
\subfloat[1618,55 s]{\includegraphics[width = 1.5in]{44.gif}}&
\end{tabular}
\caption{4 x 5}
\end{figure}