google: http://www.google.com/addurl/?hl=zh-CN&continue=/addurl
yahoo: http://www.yahoo.cn/ex/blog_rss/rss_input.php
baidu: http://www.baidu.com/search/url_submit.html
msn: http://search.msn.com/docs/submit.aspx
Tom: http://search.tom.com/tools/weblog/log.php
Dmoz: dmoz.org
hao123: http://221.12.147.30/url_submit.php