I was recently reading a book by Scott
Cunningham called "Earth, Air, Fire, and
Water" and in the book it had a spell that
helped you scry with fire.
Look directly into the flames of the fire. Do not
strain your eyes; blink normally. Breathe
deeply. When you're at peace say these, or
similar, words in a whispered tone:
"Blazing fire as you dance
Give me now the secret glance
Call upon my second sight
Make me psychic with your light
Blazing fire shining bright
Give me now the second sight"
Repeat this until you feel your eyes go heavy.
Let your eyes fall and you will see what lies
ahead. Don't be fooled though, everything is
entitled to change.