Have a look at the gallery of works made by users of AKVIS Sketch. All drawings were created from photographs and illustrate the software possibilities.
Cityscapes by Jens & Rachel Christinger (created out of stock images):
By Tom Watson.
By Helmut Küther
Spain Views (Watercolor Canvas Art)
By Alberto De Donno
By Mike Morrison
By Lito Tiozon
Cats by Bill Achuff
Cross-hatching in Artistic style