Aloha Robert,

Have a look at the listings and minted packages.  You can specify font  
size on a per-document or per-language basis.  I believe listings has  
an option to wrap long lines (don't remember this for minted, though).

The instructions here might be helpful:

http://orgmode.org/worg/org-tutorials/org-latex-export.html#sec-12_2

hth,
Tom

On May 4, 2011, at 10:53 AM, Robert Goldman wrote:

> I have a document that has big chunks of included source code.
> Unfortunately, when this is typeset in LaTeX, it typically blows past
> the right margin.  I find it quite difficult to determine how many
> characters I get in a monospace line in LaTeX, and it seems like LaTeX
> won't give me enough to fit in plausible blocks of source code.
>
> Does anyone have a solution to this?  Any way to tell org-mode to  
> shrink
> the fontsize when exporting code examples to LaTeX?  More condensed  
> font
> to use for typewriter when exporting to LaTeX?  Other tricks of the  
> trade?
>
> Seems like many would have encountered this problem.
>
> Many thanks,
> r
>
>