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Hi! Perhaps a dirt an a more rough specular map? Airplanes uses light materials that are deforming due to cold /heat transition so a little brakup in that spec! Great background! I love this image!

Thanks for your comments. Im happy that you like the image. Specular maps are something that I am just now starting to get into and learn. If you know of any great tutorials let me know. Your criticisms are appreciated.

nice,
I like the view of the second one - looks like an old german airline plane ;)
Alice