I suggest not to use something large like DATsville as example,
because that will visually not appear as appealing IMHO, because it will be strongly zoomed-out.
Instead, I suggest to choose some simple model which has a nice mix of colors,
and maybe has enough curved surfaces with primitives substitution,
so that the render shows the capabilities.
DATsville could be used as additional file/render, of course.
Just my opinion.
I agree with you that the current image shown on
https://en.wikipedia.org/wiki/LDraw
is too dark and kind of an unlucky choice.
because that will visually not appear as appealing IMHO, because it will be strongly zoomed-out.
Instead, I suggest to choose some simple model which has a nice mix of colors,
and maybe has enough curved surfaces with primitives substitution,
so that the render shows the capabilities.
DATsville could be used as additional file/render, of course.
Just my opinion.
I agree with you that the current image shown on
https://en.wikipedia.org/wiki/LDraw
is too dark and kind of an unlucky choice.