[header_logo]
alt = (please configure the [header_logo] section in trac.ini)
height = -1
link =
src = site/your_project_logo.png
width = -1

[header_logo]
alt = "Waue Trac"
height = -1 
link = http://gm1.nchc.org.tw/waue/waue
src = common/trac_banner.png
width = -1