Using MailChimp with uSkinned Newsletter Signup Form

I am currently working on a new Umbraco site for The World Organization for Positive Action. I have chosen to use a uSkinned theme as it’s a great way to quickly implement a site. One of the features of the uSkinned theme is a newsletter signup form that integrates with Campaign Monitor. The World Organization for Positive Action, however, uses MailChimp for managing their email subscribers.…