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From marlo.steed@uleth.ca:
A fun image.  However, it seems to have internal inconsistency.  Some textures look realistic other look cartoonish - you need to be consistent one way of the other. 
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From rgow@lanset.com:
Good concept & excellent puffs of smoke. Image overall seems too dark.

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From jgrimbert@free.fr:
A realistic house-box might improve the picture.
In fact, a realistic approach excepted for the train/railway could make wonder.

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From jouni@mikrobitti.fi:
Great concept! The modelling, lighting and texturing doesn't quite match the quality of the idea, but a good picture nonetheless. You could've worked more on the background, making the toy train a part of even more realistic-looking landscape. The idea of sharply contrasting out-of-scale toys and real world is definitely worth further evolution. :-)