Waves
Waves How to Paint Water on a Beach by Mural Joe Sketches by Mark Kistler:
Posts
Negative Space Trees
http://thepaintedprism.blogspot.com/2012/05/watercolor-workshop-negative-painting.html
Three Watercolor Portraits
Watercolor Portrait 'With Her Strength' by Laovaan Watercolor Portrait 'Wash Away' by Laovaan http://www.dosmallthingswithlove.com/2013/03/easy-watercolor-portrait.html
Lilies
Lilies Drawing Practice (Mark Kistler): Watercolor ideas for lilies: Artist information at: https://www.pinterest.com/pin/178455203961469556/
Advanced Cubes and Houses
Sketches: Mark Kistler Steps to sketch a basic house: Advanced-Level Houses: Painting Challenge: Sketch your house onto canvas and add gardens, walls, sky, water to the setting. Examples to inspire you: