On Wed, 14 Nov 2012, Rainer M Krug wrote:

You could also redefine your includegraphics. I did something similar, to
have all graphics in a shadowbox. I included in the preamble:

%%%%%%%%
% from
http://tex.stackexchange.com/questions/70547/how-can-i-renew-includegraphics-to-always-use-shadowbox
\usepackage{graphicx,fancybox,letltxmacro}
% save the meaning of \includegraphics
\LetLtxMacro\latexincludegraphics\includegraphics
% pass the image to \shadowbox
\renewcommand{\includegraphics}[2][]{%
   \shadowbox{\latexincludegraphics[#1]{#2}}}
%%%%%%%%

In addition, I used the following in the preamble to make the graphics always 
centered:

\renewenvironment{figure}[1][]{
\@float{figure}
\centering}
{\end@float}

Hope this helps,

Rainer,

  Good suggestions. Many thanks.

Rich

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