~/.icewm/prefoverride
~/.icewm/prefoverride

meXft="AR PL New Sung:size=12"
MenuFontNameXft="AR PL New Sung:size=12"
StatusFontNameXft="AR PL New Sung:size=12"
QuickSwitchFontNameXft="AR PL New Sung:size=12"
NormalButtonFontNameXft="AR PL New Sung:size=12"
ActiveButtonFontNameXft="AR PL New Sung:size=12"
NormalTaskBarFontNameXft="AR PL New Sung:size=12"
ActiveTaskBarFontNameXft="AR PL New Sung:size=12"
MinimizedWindowFontNameXft="AR PL New Sung:size=12"
ListBoxFontNameXft="AR PL New Sung:size=12"
ToolTipFontNameXft="AR PL New Sung:size=12"
ClockFontNameXft="AR PL New Sung:size=12"
ApmFontNameXft="AR PL New Sung:size=12"
LabelFontNameXft="AR PL New Sung:size=12"

http://www.blog.edu.cn/user1/15023/archives/2005/109241.shtml