LaTeX.org

Thank youguys so much! I think you may have collectively solved my problem!!! While I don't really understand what phi's code DOES, I know where to plug in options, and that's all I need. Thankyou thankyou thankyou! I'm sure I'll enjoy asking (and maybe answering) more questions in the future ...

It's simply a matter of good form, but it would be nicer to have a command like this:
\newcommand{example}[1]{
\begin{LTXexample}[bunch-o'-options]
#1
\end{LTXexample}
}
and simply have to write:
\example{blablabla}

Than to have to write:
\begin{LTXexample}[bunch-o'-options]
#1
\end ...

Thanks a ton gmedina and localghost! One last problem, and then I promise to stop bugging youguys. How can I include this in a macro? Do I need to define a custom .sty file?

Hrm, thanks for the help, but unfortunately this isn't quite what I'm looking for. The two problems with it may be very minor, but I've spent nearly 4 hours trying to solve them already and failed, so here they are:
1) There is no line-wrapping for the verbatim code, so the line just keeps going and ...

What would it take to create a minimal Example environment like the one used in lshort? Basically,
\begin{example}
LaTeX code
\end{example}

Generates the verbatim "LaTeX code" to the left and a box with the compiled version of the code to the right. I've tried looking at 'lshort.sty' but it ...