In the final of this four part series, professional artist Geoff Kersey completes his invaluable tips and pointers on creating trees, woodlands and forests in watercolour.

Geoff begins by showing you how to add a lighter figure into an already painted darker scene using a natural sponge to lift out the paint.

Follow Geoff as he gives you tips on painting a Silver Birch, mixing varying shades of green, achieving circular ripples on water and even painting a realistic country pony!