\documentclass{beamer}
\graphicspath{{figs1/}{figs2/}}

\begin{textblock*}{100mm}(\textwidth, 0.1cm)
  \includegraphics[height=0.9cm]{fig1_1.png}
\end{textblock*}}

\begin{document}

\begin{frame}
  \titlepage
  \includegraphics[width=0.9\linewidth]{}
\end{frame}

\end{document}
