可以用gif和jpg,但不支持icohttp://guide.tzinfo.net/Desktop/Icon.html
http://www.w12345.com/w/webpicture/picture.htm
http://202.102.234.25/image/mt/langmanqinggan/page_10.htm
http://www.w12345.com/w/webpicture/picture.htm
http://202.102.234.25/image/mt/langmanqinggan/page_10.htm
www.4gee.com/icon.htm