There are two ways to verify your WordPress Website in Google Webmaster Tools - 1) File Upload and 2) Meta Tag. I'll show you how to do both in this video. Once your site is verified in Webmaster Tools you can submit an XML Sitemap, find crawl errors, duplicate content issues, and host of other diagnostics to make sure Google can crawl your WordPress Website effectively.

via http://www.expand2web.com/blog/