"Every Windows Phone application has to deal with and provide a certain set of icons. The appearance and technical details of those icons are bound to specific certification requirements. Additional requirements exist for other optional places where you can use icons in your application. This article covers all of the icon guidelines and specifications relevant for a normal Windows Phone application, in particular:
- Tile icons [mandatory] – Contained in your application package and used for the application list and home screen.
- Marketplace icons [mandatory] – Required to represent your application in the Marketplace catalog.
- Application bar icons [optional] – Icons used for buttons in the application bar.
Let's take a look at the individual requirements for and properties of each of them.
This looks to be an awesome guide to iconography for the Windows Phone 7. What icon, goes where, why and how big all seems to be covered. If you're building WP7 apps and have any questions about any icons/images/etc. then you've got review this guide...