I really like to do original artwork by hand – maybe sketching or watercolour or acrylics or whatever. I know it’s not on trend really, but this is what I do. The items can always be treated in any fashion in Photoshop afterwards. But for my recent illustration for “the current reduction in insects being squashed on car windscreens” (what a thought, nicely clean but ecologically worrying!), I assembled rather more than usual – a whole horde of insects in fact. And then I coloured them in fabulous colours because the shapes had to be recognisable but the colours not….