ENB Series is one of the best Addons for FSX But be sure you have the Hardware capable for running on your system. Also Try this for your ENB Config. Here is a link to the ENB Series you need.
http://enbdev.com/mod_gtasa_v0074g.htm[PROXY]
EnableProxyLibrary=0
InitProxyFunctions=1
ProxyLibrary=
[GLOBAL]
UseEffect=1
AlternativeDepth=1
AllowAntialias=1
BugFixMode=1
SkipShaderOptimization=0
QuadVertexBuffer=1
EnableShaders_3_0=1
AdditionalConfigFile=enbseries2.ini
UseMRTRendering=1
TempF1=100
TempF2=100
TempF3=100
TempF4=100
TempF5=100
TempF6=100
TempF7=100
TempF8=100
TempF9=100
TempF0=100
[EFFECT]
EnableBloom=0
EnableOcclusion=0
EnableReflection=1
EnableMotionBlur=0
EnableWater=0
EnableShadow=0
DepthBias=32
EnableDepthOfField=0
[INPUT]
KeyUseEffect=123
KeyBloom=120
KeyOcclusion=121
KeyReflection=122
KeyCombination=16
KeyScreenshot=44
KeyShadow=119
KeyWater=118
KeyShowFPS=106
[REFLECTION]
ReflectionPower=100
ChromePower=100
UseCurrentFrameReflection=1
ReflectionQuality=0
ReflectionSourceSpecular=100
ReflectionSourceTFactor=100
UseAdditiveReflection=1
ReflectionDepthBias=32
UseLowResReflection=0
ReflectionSinglePass=1
UseEnvBump=0
EnvBumpAmount=100
EnvBumpOffset=100
ReflectionFlip=1
[BLOOM]
BloomPowerDay=0
BloomFadeTime=1000
BloomConstantDay=0
BloomQuality=0
BloomScreenLevelDay=0
BloomCurveDay=0
BloomPowerNight=0
BloomConstantNight=0
BloomCurveNight=0
BloomScreenLevelNight=0
BloomAdaptationScreenLevel=5
BloomAdaptationMultiplier=50
BloomAllowOversaturation=0
BloomMaxLimit=2
[SSAO]
UseFilter=0
OcclusionQuality=0
FilterQuality=0
DarkeningLevel=25
BrighteningLevel=25
IlluminationLevel=25
AdditiveIlluminationLevel=25
UseAmbientOcclusion=1
UseIndirectLighting=1
FadeDistance=500
UseForAlphaTest=1
UseForAlphaBlend=1
UseIndirectLightning=1
[COLORCORRECTION]
DarkeningAmountDay=5
ScreenLevelDay=90
ScreenLevelNight=85
DarkeningAmountNight=-15
GammaCurveDay=5
GammaCurveNight=5
ColorSaturationDay=50
ColorSaturationNight=30
UsePaletteTexture=0
[WATER]
UseWaterDeep=0
WaterDeepness=20
WaterQuality=0
[SHADOW]
ShadowFadeStart=40
ShadowFadeEnd=80
ShadowAmountDay=60
ShadowAmountNight=30
ShadowScreenLevelDay=60
ShadowScreenLevelNight=20
ShadowQuality=0
UseShadowFilter=1
FilterQuality=0
ShadowBlurRange=30
[ENGINE]
ForceAnisotropicFiltering=0
MaxAnisotropy=8
ForceDisplayRefreshRate=0
DisplayRefreshRateHz=60
[MOTIONBLUR]
MotionBlurQuality=1
MotionBlurVelocity=40
MotionBlurRotation=40
[PERPIXELLIGHTING]
SpecularColorMin=5
SpecularColorMax=100
SpecularColorMultiplier=100
SpecularGlossinessMin=5
SpecularGlossinessMax=100
SpecularGlossinessMultiplier=100
[DEPTHOFFIELD]
DOFQuality=0
DOFNumberOfPasses=3
DOFFocusRange=10
DOFBlurinessRange=2
[PLUGIN]
WeatherMod=0
Gigabyte 990FXA-UD3,Nvidia GTS450, AMD FX 6 Core Black Edition, 32GB RAM, windows 7 64bit,
I think I might soon get my first payware. But since then: is the freeware stuff worth trying? 
...!
