\documentclass{jsarticle}
\usepackage[dvipdfmx,hiresbb]{graphicx}
\begin{document}
-\includegraphics[width=15cm]{tiger.pdf}
+\includegraphics[width=5cm]{banana.jpg} graphics in text.\includegraphics[width=5cm]{cherry.jpg} \includegraphics[width=5cm]{fruits.jpg}
+
+\includegraphics[width=5cm]{grapefruits.jpg}
+
+\includegraphics[width=5cm]{melon.jpg}
+
+\includegraphics[width=5cm]{orange.jpg}
\end{document}