For tips on presenting and selling PPC/Adwords, Google has a set of very good Powerpoint Presentations. You can access these presentations and other useful information by signing up for Google Advertising Professional Program (at no charge).
Meanwhile, contact us if you have any questions or need help in selling or managing your client’s PPC accounts. Feras as well as Gazlan (our Senior PPC Consultant) are both Qualified Google Advertising Individuals, (Feras is also a Yahoo Ambassador), and both are a good resource to tap into for optimizing PPC accounts of any size.