\documentclass[12pt,landscape]{article}
\usepackage{geometry}
\geometry{verbose,letterpaper}
\usepackage{movie15}
\usepackage{hyperref}
\begin{document}
Whispering-gallery mode in a quarter circle:
\begin{figure}[ht]
\includemovie[
  poster,
  text={\small(Loading omega.mpg)}
]{6cm}{6cm}{omega.mpg}
\end{figure}
\end{document}