http://mailchimp.com/about/brand-assets/ - @Pinstamatic
Find guidelines on the web. Brand guidelines for a bunch of online services (think Facebook, Twitter, Dropbox, Mailchimp etc.) all in the one handy place.
Blinker | Brand Assets | Brandfolder
Download official Facebook brand assets, logos, trademarks and brand guidelines on the Facebook Brand Resource Center
Brand Assets | 99designs
Brand Assets | MailChimp
Western Carolina University - Brand Assets
It may be worth trying to reference a little to the style of Mailchimp, since this is where the data is being pulled from. eg one word of Mailbox metrics using a handwriting style?
Case study: JoshOG Holidays Branding Assets