Each image in the list will be plotted separately. The layout argument controls the overall layout of the plot window. The default layout is "rect", which will fit all of your images into a rectangle that's as close to a square as possible.
Usage
"plot"(x, layout = "rect", ...)
Arguments
x
an image list (of type imlist)
layout
either a matrix (in the format defined by the layout command) or one of "row","col" or "rect". Default: "rect"
...
other parameters, to be passed to the plot command