An excellent package for the production of slides is []seminar.
http://www.cl.cam.ac.uk/TeXdoc/sem-user.dvi
  [DVI] Seminar facilitates the preparation of slides and accompanying
  notes in various formats, and embellishes them by using

  Colour can be used in LaTeX documents easily with []colordvi.tex.
ftp://ftp.tex.ac.uk/tex-archive/systems/knuth/local/lib/colordvi.tex
  This file defines commands to change colour of text locally and
  globally, and allows the user to specify the background colour of
  the document. The colour changes may not be visible until the dvi
  file is processed by a colour capable driver such as []dvips.
http://you.genie.co.uk/keengs/latex.html#dvips
  (Specific information on using colour with dvips may be found

  The graphics and graphicx packages for LaTeX2e are important for
  inclusion of graphics into a LaTeX2e documents. One very useful
  feature is that they permit the use of compressed PostScript files,
  which can be uncompressed 'on-the-fly' when DVI files are being
  processed. DVI documentation may be found []here and a PostScript
http://www.cl.cam.ac.uk/TeXdoc/l2e-grfguide.dvi
  version (showing all the graphics examples) []here. The latter
http://www.cl.cam.ac.uk/TeXdoc/l2e-grfguide.ps
  document offers tips on using []colour in LaTeX. Two very handy
http://you.genie.co.uk/keengs/latex.html#colour
  guides to including graphics in LaTeX are, []Using EPS graphics in
ftp://ftp.tex.ac.uk/tex-archive/documentation/epslatex.ps
  LaTeX2e documents. and []Figure'ing and Picture'ing LaTeX [PS]
ftp://ftp.tex.ac.uk/tex-archive/documentation/figsinltx.ps

  If you encounter a need for subfigures in your document, have a look
  at the []subfigure package.
ftp://ftp.tex.ac.uk/tex-archive/macros/latex2e/contrib/supported/subfigure