Another one \setuppagenumbering[alternative=doublesided] \definelayer[bg][x=0mm,y=-3mm,width=\dimexpr(\paperwidth+3mm),height=\dimexpr(\paperheight+6mm)] \unexpanded\def\DoDoublePicAt#1{ \page[right] % tried also makeups... \resetlayer[bg] \setlayer[bg]{\externalfigure[#1][height=\dimexpr(\paperheight+6mm)]} \setupbackgrounds[page][background=bg] \strut \page[right] \setuppagenumber[state=start] \resetlayer[bg] \setlayer[bg]{\externalfigure[#1-back][height=\dimexpr(\paperheight+6mm)]} \setupbackgrounds[page][background=bg] \strut \page } \def\DoublePicAt#1#2{ \startpostponing[#2] \DoDoublePicAt{#1} \stoppostponing } \starttext \DoublePicAt{hacker}{5} \dorecurse{30}{ \section{Knuth \recurselevel} \input knuth } \stoptext -- luigi