\frame[containsverbatim]{ \frametitle{Community}
 \begin{itemize}
  \item Web: \verb|http://www.cactuscode.org/|
  \item Email lists
   \begin{itemize}
    \item \verb|users@cactuscode.org|
    \item \verb|developers@cactuscode.org|
   \end{itemize}
  \item Download: Subversion (\verb|https://svn.cactuscode.org/|)
  \item Bug tracker
 \end{itemize}
}