Windows Phone 7 Icons for Developers

Windows Phone 7 Icons for Developers is a collection of nearly 600 royalty-free icons for Windows Phone. Produced to match and exceed the design guidelines for Windows Phone 7 and Windows 8 systems, this collection of application bar icons includes white, transparent 48 x 48 images drawn in a central square of 26x26 pixels and supplied in the PNG format. More info at: http://www.ordericon.com/