Pyromancy
Links
Fire Divination
http://www.angelfire.com/on/wicca/Fire.html
Explores fire gazing, as well as burning paper, using candles, and smoke scrying.
Following the Lamp and Reading the Ashes
http://www.goatncandle.freeservers.com/oct01/divine.htm
A comprehensive look at using fire as a tool of divination.
Scrying by Fire
http://www.themystica.com/mystica/articles/s/scrying_by_fire.html
Brief directions on scrying using fire and embers.