Subway trilobite with Brushes app

Still practicing with the Brushes app on my iPod Touch. Did this while on the streetcar and subway yesterday. I kind of like the sketchy pencil lines. Trying to keep my practice pieces simple. Limited colour palette, subject I'm familiar with and a dark background. I think that's always best when exploring a new medium.

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Original artwork on The Flying Trilobite Copyright to Glendon Mellow
under Creative Commons Licence. Flying Trilobite Gallery *** Flying Trilobite Reproduction Shop ***