Allowed alternative title page

inst/rmarkdown/templates/monash/resources/template.tex

@@ -74,6 +74,19 @@ $if(titlefontsize)$
   \setbeamerfont{title}{series=\bfseries,parent=structure,size=\fontsize{$titlefontsize$}{32}}
 $endif$
 
+% Change title page image
+$if(titlepage)$
+\setbeamertemplate{title page}
+{\placefig{-0.01}{-0.01}{width=1.01\paperwidth,height=1.01\paperheight}{$titlepage$}
+\begin{textblock}{7.5}(1,2.8)\usebeamerfont{title}
+{\color{white}\raggedright\par\inserttitle}
+\end{textblock}
+\begin{textblock}{7.5}(1,7)
+{\color{white}\raggedright{\insertauthor}\mbox{}\\[0.2cm]
+\insertdate}
+\end{textblock}}
+$endif$
+
 $if(mainfont)$
   \usefonttheme{serif} % use mainfont rather than sansfont for slide text
 $endif$