I believe this to be an issue with PS CS5 since it works fine in Painter Essentials.
The primary pointer of my pen I can set to any tool in PS to use, exp. Brush, Smudge, EyeDropper, but the back of my pen will not change to anything except stay the eraser. It will let me select a tool, but it does not apply that tool the the pen, the pen still just erases.
Is this a bug or is there a setting I need to change to allow this to happen?
Again this worked fine in Painter.