Oil paint is wonderfully versatile. It can be applied in thick, expressive impastos, or thinned down and used almost like watercolours. It can be brushed or scrubbed, knifed on or scratched out, ...

Painting clouds in digital art presents some particular challenges, and most artists will come up against them at some point. For landscape, environment and concept art, the sky will often be a major ...

I once asked an artist I know what he did about varnishing his oil paintings. I had read about "varnishing day" at the great salon exhibits in Paris in the 19th century and wondered what it was like ...