Here's a pic with the light switch included:
And here's a close up of the mouse hole:
The color is a bit faded thanks to the camera flash, it's a bit darker in real life. And yes, for the record, mice have a real problem making their mouse holes stand up straight and not lean to the right.
*****Edited: because I forgot to mention the supplies used. These are just basic acrylic craft paints. I also used a black sharpie to clean up the lines a little bit.