Make handouts from your slides:
printout option in texpower
package. Run pdflatex.
printcmptalk [-p] your_presentation_file.pdf
-p send output directly to the default
printer. Otherwise the output file name is printyour_presentation_file.pdf.
Translation with psfrag package:
latex file
dvips -P pdf -t screen file
ps2pdf file.ps file.pdf
Package texpower makes possible pages with incremental material
(overly) (TeXPower demos+manual).