Eps quality issues

Hi All,

I have a few high quality eps figures (around 5 MB
each). When I try to include them in my presentation,
the eps figure seems degraded and does not look as
nice as it should. For graphics I use:

\usepackage{graphicx}

the commands that I use to compile my files are:

latex filename.tex
dvips -Ppdf -G0 filename.dvi
ps2pdf -dPDFsettings=/prepress filename.ps
filename.pdf

I am new to prosper, so any help would be appreciated!

Thanks,
-Tuhin


       
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