How to create and submit xml sitemaps in search engines using -google xml sitemaps wp plugin

This video explains…
how to create xml sitemap for google webmaster tools, yahoo,bing and ask?
how to submit xml sitemap in google webmaster tools?
how to auto rebuild sitemap when content uploaded in your blog?
how to prioritized your blog posts in sitemap?
specify auto or manual location for your sitemap.
how daily update xml sitemap?
how to give sitemap name whether sitemap.xml or sitemap.xml.gz
To create sitemap map use the below url in address bar
www.domainname.com/sitemap.xml.gz
or
www.domainname.com/sitemap.xml