make realistic the vertical lines are dark green corrugated metal window frames are black the inset to the left has vertical 1x4 cedar in a natural tone the landscape is ponderosa and sagebrush the driveway is gravel the roof is dark green metal to match there is a warm glow on the interior and a dusky sky bring the ground plane up and place sagebrush and some grasses in the foreground the patio to the right is also gravel