I have not tried this yet (I will later today)…but someone found all the settings that were dumbed down for XP11 and made it so you can re-enable them:
The following are some of the settings which can be modified individually.
Enable or disable boats
Enable or disable birds and deer
Enable or disable fires and balloons
Adjust road traffic density and draw distance
Adjust static plane density and draw distance
Enable or disable sloped runways
Enable or disable volumetric fog and per pixel lighting
Adjust world object density, including forests and shrubs
Adjust taxiway line smoothness and 3D airport taxiway lighting
Enable or disable texture compression
Enable or disable bump maps, and gritty textures
Enable or disable ambient occlusion
Adjust HDR antialiasing
Adjust how shadows are drawn
Adjust lighting intensity and draw distance
Enable or disable atmospheric scattering