Coloring bitmap lake
When drawing the background, you can use a remote lake silhouette, something on similarity, this drawing. Even a simple detail can give a charm to the picture. Though the circuit and easy to paint, but still stir it as an example of an idea or someone can come in handy. Lakes have sandy beaches, which are well appreciated by fans and tourists sunbathe. On, if need this, you can add a picture to a sandy path, at your discretion.
Coloring in a raster (pixel) format. If you use a graphics editor such as adobe Photoshop, then using the fill can easily paint a picture. Outlines for coloring perfect to spend some time coloring on the computer. For children this can be fun and not an obsessive study of the work in the graphic editors, and knowledge of the world in different shades and colors.
Coloring can be printed, and then paint.