Using a graphics tablet
We have already discussed several uses for the Brush tool in previous chapters, notably in creating layer masks, but of course, it can also be used as a simple brush. To do this, you really need to be very adept at drawing with a mouse (which is akin to sketching with a bar of soap), or you might consider buying a graphics tablet.
These devices are perfect for artists because, instead of drawing with a mouse, you use a pen stylus, which is roughly the same size and shape as a real biro or fountain pen, and draw onto the tablet as if it were the screen itself. Interestingly, you can buy a screen that works as a tablet, but they are very expensive.
Tablets come in a range of sizes, though the larger they are the better, since they provide more accuracy and features, but nevertheless, even a $50 model will serve you well. The leading name in tables is a company called Wacom, which produces a complete range of products from entry level to very expensive, $700 plus professional...