fiery iris

i ahve been looking around everywhere for a way to do this but can find what i am looking for

i want to make an iris that looks fiery eg. like the in the lord of the rings (the big evil eye thing)

here is a picture that sort of shows what i am looking for

Eye

dose anyone know any tutorials or they way to get this type of effect on the iris.

thankyou.

http://www.photoshoptechniques.com/texp/fireptk.php
http://www.spoono.com/photoshop/tutorials/tutorial.php?url=fire
http://www.effectlab.com/tutspeed.php
http://www.good-tutorials.com/track/4437

All these 4 should get you started, if you take the effects that they used and play around with it, you should able to get a similar effect. Though I can't say for as I never tested it out.