It is nice, it looks like a fractal. If it was Paint.NET, (100%) you could enter it in that AOTW competition.
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Problem is, I can tell you used a border. Either that, or you cut off your image. But, it doesn't matter. It is still great overall!
Yes, but most people are going to add their texture to an image already. So, all they would have to do is post the original texture used.
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Who wants to do it?
I do not like the moon beside of it, messes up the planet. It is very good, though!
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http://fc01.deviantart.net/fs71/f/2010/099/0/6/First_Spacescape_by_chrisco97.png
My first spacescape, 100% Paint.NET!