Yahoo Advertising
From Wikicliki
Adspecs for Yahoo Advertising http://adspecs.yahoo.com/index.php
http://hk.adspecs.yahoo.com/details.php?s=223;HK%20Blog;300x250;LREC
Adspecs for Yahoo Advertising http://adspecs.yahoo.com/index.php
http://hk.adspecs.yahoo.com/details.php?s=223;HK%20Blog;300x250;LREC