My XAML / C# app has a beta image on my map:

Am I using the wrong SDK? I tried using this one:
http://visualstudiogallery.msdn.microsoft.com/0c341dfb-4584-4738-949c-daf55b82df58
I received a WinRT exception saying it cannot create an instance of the Bing Maps. I am using this one now:
http://visualstudiogallery.msdn.microsoft.com/bb764f67-6b2c-4e14-b2d3-17477ae1eaca
I am using Windows 8 Pro with VS 2012 Ultimate version 11.05 with Windows 8 pro. I am using the simulator.
From the second link you provided:
Italics and bold added.
To summarize:
You’re using a beta version of the sdk which has a watermark in it. To fix this you will need to wait until they release the “release” version of the sdk at the end of the month.