Alternately, you can open the Modify menu, select Edge , and then Anti-Alias . The Fireworks default in both cases is Anti-Alias. To create an ever softer edge, select the Feather option from the Edge menu. Feathering allows you to specify how much of a soft edge the graphic object will get. Change the feathering by moving the value slider next to the Edge menu.
Higher numbers are fuzzier.
Choose a Stroke Name . Change the default Tip Size by entering a number into the value box in the middle right of the stroke palette, or move the value slider to the right of that box. Higher numbers are fuzzier.