I've made quite a few hats - all pretty basic;
72 stitches on - rib for an inch or so, then
basic knitting and reducing - switch to double
pointed needles till the end. Nothing fancy.
But I'm about to try something more difficult:
The Porom hat from Jared at Brooklyn Tweed.
His site has more photos and information
about making the Porom hat plus LOTS of
other knitting ideas.
I purchased Jamieson's double knitting yarn in
two shades of blue, one for my hat and one for
a hat for my daughter. Wish me luck!