\usemodule[taspresent][style=bluegray,font=LatinModernSans,size=18pt]

% try other values: 
% style=titleframe, rainbowstripe, superellipse, bluestripe
% font=Pagella, Times, LatinModernSans

\starttext

\setvariables[taspresent][author={\CONTEXT},
  title={Our Sample Presentation}]

\titback

\Maketitle

\Slidetitle{Some Text}

\lecback

\input tufte

\Slidetitle{Example of Picture}

\PicHoriz[name_of_your_picture][width=\textwidth]

\Slidetitle{Example of Highlighting}

\CircHoriz[scale=20,x=50,y=60][name_of_your_picture][width=\textwidth]

\page

\picback

\PicVert[name_of_your_second_picture][height=\NormalHeight]{A Vertical Picture}

\Slidetitle{With Transparent Gray Layer}

\lecback

\GrayHoriz[opacity=80,scale=30,x=120,y=80][name_of_your_picture][height=\NormalHeight]

\Slidetitle{And Finally: a List!}

\startitemize

\item One

\item Two

\item Three

\stopitemize

\Slidetitle{And Some More Text}

\input tufte

\stoptext