This video doesn't show you how to knit any hats, but it is inspirational to see the variety and cuteness of these babies! 

Cast on 50 sts. Work even 40 rows. Bind off 15 sts beginning of next 2 rows. Work even for 25 rows. Increase 7 sts each side work even for 18 rows. Decrease 1 beg of row for 6 rows.

Cast on 15 sts. Inc 1 st at beginning of row, every row, for 10 rows. work even for 30 rows. Dec 1 st, beg of row, every row for 10 rows, inc 1 st beg of row, every row for 10 rows. Work even rows bind off.