Today I managed to sneak some pictures of my Incredible Emoticon Hat. It's crocheted using wool-ease thick & Quick, and I used some cheap worsted weight to make the eyes and mouth. The features have velcro on the back so you can move them around. It was my first hat, so I just winged it (no pattern!), and it turned out really great! Here are some of the faces you can make:
And here a bad picture of what it looks like on:
Mind you, I have a really small head, and the recipient has a really big head.
PS. Aaron, if you are reading this.... Pretend you didn't...