\setupexternalfigures[location=default]

% example by Pablo: image also oveflows 2 columns so we need to distribute

\starttext

\startxtable[option=stretch]
    \startxrow
        \startxcell First line left\stopxcell
        \startxcell \stopxcell
        \startxcell First line right\stopxcell
    \stopxrow
    \startxrow
        \startxcell Second line left\stopxcell
        \startxcell \stopxcell
        \startxcell Second line right\stopxcell
    \stopxrow
    \startxrow
        \startxcell Third Line left\stopxcell
        \startxcell[align=left,ny=2]
            \externalfigure[cow][height=2cm]
        \stopxcell
        \startxcell \stopxcell
    \stopxrow
    \startxrow
        \startxcell Fourth line left\stopxcell
        \startxcell \stopxcell
    \stopxrow
    \startxrow
        \startxcell Fifth line left\stopxcell
        \startxcell \stopxcell
        \startxcell Fifth line right\stopxcell
    \stopxrow
\stopxtable

\stoptext
