Click anywhere to start it. Move your mouse around and press space to see the drawing proccess (it's not great)
step 1 - marking the placement of main features. step 2 - colour it in. step 3 - add background detail. step 4 - add foreground detail (this did not look great so I changed it) step 5 - new foreground detail. step 6 - general refinement. step 7 - more foreground detail.