Pull off the Calendar you want and position.

To see the next few steps, click here for a flash video.
To see the calendar clearly, I add a background to it.
Hold the F key down while you hold
the mouse button down and draw out a frame.

Click on the center of the Frame tab
uncheck 'show Drop Photo Here',
Move the Opacity level to the far right,

Click on the white box to bring up the Colors window,
Now you can use the eyedropper to pick a color for the calendar background.

Like this

With the frame active, right click the mouse and send the frame to the back.
