I've been stewarding at a Discworld exhibition in Maidstone recently and I've thoroughly enjoyed it. Kidby's work is marvellous and it really inspires me to try pencil sketching more myself.
Original is a pencil sketch done with Derwent Graphic. Colours were added on top in Photoshop.
Characters from my comic called Tistow: Small Trolls. Our shapeshifting kids called Veeti and Jáhko.