您需要创建一个图像(使用自定义控件并从中渲染图像)并使用它有一个背景.

You need to create an image (use a custom control and render an image from it) and use it has a bakcground.

此链接有助于生成图像:http://spasol.wordpress.com/2013/06/24/creating-custom-live-tiles-for-windows-phone/

This link could help for generating the image: http://spasol.wordpress.com/2013/06/24/creating-custom-live-tiles-for-windows-phone/

这里是通用应用程序可用的模板:http://msdn.microsoft.com/en-us/library/windowsphone/develop/hh761491.aspx

And here are the template available for universal app : http://msdn.microsoft.com/en-us/library/windowsphone/develop/hh761491.aspx