Best hurry, because the prices for eternals are higher now than they every will be!
For this guide, it helps for your faction to have control of Wintergrasp, as it will show you how to farm eternal fire in Wintergrasp very quickly. On my server, eternal fires go for 75-150g, and I can farm up to 12 per hour.
http://good-times.webshots.com/photo/2261021710104164306oZCsuJ
by shanemcc