I went for a wee fly over marlbrough in FSX in the Cessna Bird dog. Here are my screenshots
They're not very good, I wasn't trying to be impressive, but more draw attention to the fact that I need something done with my scenery
I spend most of my time actually playing with the settings. Currently installed is the RBE 75m mesh and the RBE landclass.12 pictures totalling 1.66mb

Note the brown textures - a far cry from Jon's marlbrough


One of the 10 Squirrels in the background

Examine the water:



Firstly low 1x and then low-2x, and thirdly high 2x.

Do notice the sorta pixilatedness of the water at higher detail levels.

Looks good from higher up though



Enjoy
to luscious green 