You may know that Vertice is also a graphics studio branded: Vertice Design. Indeed, developping Windows, Mobile, Rich Web or Web Application is no longer sufficient for end users. Ergonomics and graphics design are mandatory to speed up the accession and the use of an application. That why, 2 years ago we created Vertice Design (french link).
Today, Anaïs, our 2D artist just opened a blog (in french, sorry for English readers!) to demonstrate her job.
Microsoft Expression range, Silverlight, Flash and Photoshop have no secrets for her! So, don't hesitate to participate with your questions through comments on her blog!