Beamer, usebackgroundtemplate, and background colour for ratio-maintained images

Hi, I successfully create beamer presentations that contain individual slides that have full-screen (background) images, with the following latex code: {\usebackgroundtemplate {\includegraphics[bb=0bp 0bp 1024bp 666bp,width=1\paperwidth]{image}} \begin{frame}[plain]~\end{frame} } However, when

Beamer, usebackgroundtemplate, and background colour for ratio-maintained images

Hi, I successfully create beamer presentations that contain individual slides that have full-screen (background) images, with the following latex code: {\usebackgroundtemplate {\includegraphics[bb=0bp 0bp 1024bp 666bp,width=1\paperwidth]{image}} \begin{frame}[plain]~\end{frame} } However, when

Beamer, usebackgroundtemplate, and background colour for ratio-maintained images

Hi, I successfully create beamer presentations that contain individual slides that have full-screen (background) images, with the following latex code: {\usebackgroundtemplate {\includegraphics[bb=0bp 0bp 1024bp 666bp,width=1\paperwidth]{image}} \begin{frame}[plain]~\end{frame} } However, when