Why not make an infographic about why infographics works. Theory and statistics made simple and easy to understand by NeoMam Studios.
Incorporate the texture of handcrafted lettering into your project with Photoshop images from TheOrganicType.
By squeezing an entire IKEA store into one banner ad IKEA shows that you can save space with their furniture. The banner ad allows you to browse and buy all their furniture. Visit the banner ad.
I believe that online marketing is so much more than just SEO and addWords. Slodive.com has posted a list of digital agencies which might inspire you to do creative online marketing in your future projects. Take a look!
Need inspiration? Check out Inspire Me Now. A great blog with all sorts of inspiring projects and images.