a painting. Filberts are probably the most popular choice. I am 
finding I prefer the variety of marks I can make with a flat for most purposes, 
although for final detail work, a small, soft, round seems to work best for me.</p>
<p>This leads to issue of brush material. Hog bristle is the standard, and it is 
fortunately fairly cheap. There are also synthetic brushes that mimic the 
behavior of bristle, and these can be cheaper still. The key attribute of these 
brushes is that they are fairly stiff,