If you have any sentimental photos that need some love this is a great tip...
The Sky's the Limit! How to Paint the Sky In Watercolor
Skies are bound to show up in your paintings — but they're not just a background. Clouds and sky color can greatly impact the mood of your composition. Learn how to paint a partly-cloudy sky, from choosing the right colors to painting shadows on clouds and more.
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Watercolor Workshop :: Painting Fine Lines - Rigger Brush, Pen, Ink and Masking Fluid http://johnlovettwatercolorworkshop.com/painting-fine-lines/