Expand size of graphics in section intro.

Unfortunately this is still done on an ad-hoc basis. Trying to
do an automatic 'scale to fit vertical space' is beyond me for now.

dottes.tex

@@ -78,11 +78,9 @@
 % Show the section graphic.
 % Args are the graphic filename.
 \newcommand{\showsectiongraphic}[1]{%
-  \vfill
   \begin{center}
-  \includegraphics[width=0.25\textwidth,keepaspectratio]{#1}
+  \includegraphics[height=0.60\textheight,keepaspectratio]{#1}
   \end{center}
-  \vfill
 }
 
 % ----- Paper size document setup

dottes.tex.section-tunes

@@ -13,7 +13,12 @@
 
 \vspace*{\fill}
 
+\ifdim \paperheight<200mm \newpage \fi
+
 \showsectiongraphic{@SECTION@-image.jpg}
+
+\vspace*{\fill}
+
 \input{@SECTION@-intro.tex}
 
 \newpage