Nice strokes and blending. Click to view original image. Source image by subBlue; used with permission. Originally for the phpBB website.

Click to view original image. Source image by Allen under the following CC license.

The paint algorithm 'missed' the orange dots in the background because it not yet able to find optimal starting locations -- a simple grid is currently used to determine stroke starting locations. Click to view original image. Source image by José Antonio Carretero from the children's book, Playing With Tweezers. Used with permission.

This one shows the range of focus, from low-detail areas to detail areas. Click to view original image. Source image by Ken Douglas, used with permission.

Low-detail rendering of some 3d models. Click to view original image.

High-detail rendering of some 3d models. Click to view original image.