Bicycle Aesthetics and Photography - How to take photos of your bike

-Seat and bar tape to be the same colour. Or not. It depends.
etc, etc

Haha bit vague....

--seat post should show sufficiently, but bars & saddle to be same height. (Rando-luv)

You sure!? IMO seat should always be higher than bars! Rando-luv?

Ok question; what length should cables be cut to? i.e past the fixing bolt, gears and brakes.