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From kingofmycastle@gmx.net:
Ohhh, spooky. The castle is really good, but what about the environment?

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From ZenPsycho@yahoo.com:
I have a weakness for irish castles

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From mark.wagner17@gte.net:
If this scene is supposed to be at night, the main light 
source should be blue rather than white.  A white light 
source illuminating a night scene gives the impression of 
a dimly-lit daytime scene.

The ground texture is to constant.  Try adding some 
large-scale variations in color.

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From delfeld@mailcity.com:
How does this relate to the concept of fortress?  A fortress is not an object
that resembles a castle. . . they may be two different ideas.