\RequirePackage{graphicx}
\RequirePackage[pdftex]{xcolor}
\documentclass[12pt]{article}
\usepackage[T1]{fontenc}
\usepackage{pstricks}
\usepackage{pst-node}
\usepackage{pst-3dplot}
\usepackage{pst-calendar}
\usepackage{graphicx}
\usepackage{microtype}

\begin{document}

foo\includegraphics[scale=1]{images/./test-tmp-0.pdf}bar

foo
\includegraphics[scale=1]{images/./test-tmp-1.pdf}
bar

foo
\includegraphics[scale=1]{images/./test-tmp-2.pdf}
bar

\clearpage
foo
\includegraphics[scale=1]{images/./test-tmp-3.pdf}
bar

\includegraphics{tux}% a jpg image

\clearpage

foo bar baz foo bar baz
 
\includegraphics[scale=1]{images/./test-tmp-4.pdf}

foo bar baz

\includegraphics[scale=1]{images/./test-tmp-5.pdf}

\end{document}