Banner ads for Google

Hi, I wish to engage your services for the design of some banner ads for a Google campaign. I need you to propose a concept and then create them. They'll be used to promote the software training courses offered by my company. I think I'd like to have one version for each Google option, you know square, tower, etc. Your technical skill in creating the graphics is important, but also your creativity in proposing a concept that can result in a higher number of clics. So, please explain your ideas and also provide me with samples of your previous work. My company does custom software development for mobile devices and the courses are geared towards a young audience, computer saavy, and interested in learning for fun and profit. Thank you for your interest! Sergio Flores, IHG Studios