Here’s a quick round-up of SEO focused infographics from various sources. I find them fascinating because it shows the process of what is a sime consuming and involving set of tasks and boils them down into identifiable parts:
SEO Infographics Gallery
Amazing list of SEO infographics (printed most of them out :). I came across another you might want to add http://www.linchpinseo.com/seo-pyramid