This painting is proof that inspiration can come from the weirdest places.
You know how if you stare at a random blotched pattern for long enough, you start making out shapes in it? This rather odd pair of cats is in the plaster at work. I'm pretty sure no one else would see the same thing, but that's the beauty of it.
Edit: For those who are curious, here's the 'original': [link]
Time: 2 1/2 hours
Tools: Photoshop CS5 & Wacom Intuos tablet