These posts provide a great introduction on how to run a pay per click search marketing program including how to think at the start and how to analyze your pay for click ads results on Google Adwords (what do all those numbers mean and how can you use what you learn from them?):
Landing Pages for PPC – this infographic provides some more information about how Google rates landing pages (the web pages to which PPC ads link) and is a good supplementary lesson after looking at the infographic link above.
Tips and Tricks
Pay per click search marketing can be tricky – use these links to learn the ins-and-outs and to get ideas: