Yo usé only:
\begin{figure} \only<1>{\includegraphics[width=1\textwidth]{images/revision-control-horizontal-1}} \only<2>{\includegraphics[width=1\textwidth]{images/revision-control-horizontal-2}} % ... \only<12>{\includegraphics[width=1\textwidth]{images/revision-control-horizontal-12}} \end{figure}