The Smart Blur filter works on image contrast and you may find that there is too much, or two little contrast. For images like this one, you will want to preprocess the image by setting Levels . Once the pen and ink sketch is complete, you may decide that the line weight is too small or you may want to vary the character of the lines. Poster Edge . Again, with some experimentation, you ll find you can create some wonderful lines that are bolder than those initially created by the Smart Blur Filter.
Edges is a much more frequently used filter to make a line drawing.
Our next step is to create a light watercolor wash that we can lay over the top of our pen and ink sketch. To accomplish this, we need to return to the original image and do some work on it. This helps make our image look a bit more like a painting. Once again we need the assistance of our Smart Blur filter. This time however, we need to make sure we change the mode setting to Normal while we again use a Quality of High.