Visual Studio 2010 Themes, change Parameter Help background color

Question

Recently I installed in Visual Studio 2010 the Power Tools Extension It\'s working great, however I have problems with my text coloring theme (Nightfall), and the extension\

Answer 1

For those who weren't able to get it to work with the accepted answer, I was able to fix this by adjusting the colors for the ToolTip item in Windows Color and Appearance.