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From kingofmycastle@gmx.net:
This is nice, isn't it. Rather spooky and threatening.

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From tek@evilsuperbrain.com:
Very atmospheric. I like the textures.

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From htkra1d@hotmail.com:
Thats an awesome picture! And from your description, it seems it was quite easy
making it.
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From tony@awmcs.net:
Great technique on the lava. I've been trying to create a lava pit for years and
you seem to have found a way. 
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From extrememarinerfan@home.com:
A ver unique picture, but the actual fortress blends in too much with the
background.
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From PovRayGuy@aol.com:
I can almost smell the sulfur... :)

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From jaimevives@mixmail.com:
It's really the hell! Very convincing... the lava is very nice, being a very
dificult thing to do. The castel is also great, scary. Good job.

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From ZenPsycho@yahoo.com:
Impressive in that it's able to create a complex look with simple construction
and textures.

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From mark.wagner17@gte.net:
For a fortress in hell, it's not very hellish.

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From delfeld@mailcity.com:
Excellent work with lighting and textures.  

It is very linear, like a box.  Try rotating the image onto its side (90
degrees), and you will probably see what I mean.

I suppose the only place to presume the need for defense is in hell, provided
hell exists.  There could be a little more exploration into the reasons for a
belief in hell.