I know that these have been around for ages, but I didn't go near them because I never knew I could make something that even vaguely would resemble art.
But, now I feel differently about things, don't I?
Watch a real artist at work below. If you're good, you're good. It doesn't matter whether you work in oil paint, or in watercolour, or mess around with colour pencils! Tim Fisher proves it!
Then, how about this one: For making yourself a colour swatch?! Brilliant!