[texhax] prosper slides

[Christopher W. Ryan]

I'm trying to teach myself how to make slides for projection, using prosper 
package.  Does anyone know how to make an itemized list appear one item at a 
time?  The prosper-doc contains reference to the itemstep environment, but I 
can't seem to get it to work (see little example code below).

And how would I include an image, like a photo that began life as a jpeg file?

Thanks
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\documentclass[pdf,slideColor,colorBG]{prosper}
\DefaultTransition{Dissolve}

\begin{document}

\begin{slide}{The Title of the Slide}
\begin{itemize}
\item Item 1
\item Item 2
\item Item 3
\end{itemize}
\end{slide}

\begin{slide}{Slide 2}
blah

blah

blah blah blah

\emph{blahblahblah}
\end{slide}

\begin{slide}{Slide 3}
\begin{itemstep}
\item item number 1
\item item number 2
\item this is the third
\item and this is the fourth and last
\end{itemstep}
\end{slide}

\end{document}