NOTE: I'm not sure if Fris posted these already but here's my contribution to the WP trail pioneered by GFY's local WP Jedi, Fris.
5 Key SEO plugins for wordpress:
http://wordpress.org/extend/plugins/...-one-seo-pack/ When you need it: right after you determined your target keywords and installed WP
http://wordpress.org/extend/plugins/redirection/ When you need it: if you change your permalink or you changed hosts or renamed a link
http://yoast.com/wordpress/meta-robo...dpress-plugin/ When you need it: after you setup the SEO plugin. This prevents "duplicate content" drama with your blog
http://wordpress.org/extend/plugins/...tomatic-links/ When you need it: After you have compiled your target keywords and content strategy. This plugin automatically links keywords you mention in entries to prior entries.
http://www.prelovac.com/vladimir/wor...riendly-images when you need it: When posting pics, it helps to give alt tags and titles that are SEO-friendly
If you need FREE AND PERMANENT backlinks for your blogs,
read this or get cheap outsourced backlink building services
HERE