I need a pattern to crochet a wizard hat?

One of my hippie buddies wants me to crochet her some sort of hippie wizard hat which I guess is popular with the festies community. Does anyone know where I can find a pattern for this hat? And example of what she's looking for is: a href="http://www.facebook.com/profile.php?ref=profile&id=1649356553#!/photo.php?pid=2954191&id=159319078933" rel="nofollow"http://www.facebook.com/profile.php?ref=…/a