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From kingofmycastle@gmx.net:
Nice interpretation.

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From tek@evilsuperbrain.com:
You didn't really do all of that in 4 hours did you? Impressive!
I like the trick of using a crackle texture for branches, I may have to borrow
that technique :)

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From tony@awmcs.net:
Not bad for a 4 hour job. Your crackle techniqes worked quite well.

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From mark.wagner17@gte.net:
Very interesting method of creating the bushes!

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From delfeld@mailcity.com:
It is a little difficult to grasp the concept 'fortress' from this.  An object
imitating a watchtower is not necessarily equivalent.  

Good thinking with the scrub and nice completion of your idea, however.