
\starttext

\midaligned{
  \externalfigure[image-no-red-frame.png][width=30mm,height=50mm] \hskip12pt

  \externalfigure[image----red-frame.png][width=30mm,height=50mm] \hskip12pt

  \externalfigure[image----red-frame.jpg][width=30mm,height=50mm] \hskip12pt

  \externalfigure[image----red-frame.tiff][width=30mm,height=50mm]
}

\stoptext
