There a lots of ways to light the charcoal in a Big Green Egg. No one agrees on the best method, but everyone agrees that N-E-V-E-R use lighter fluid.
I've tried lots of methods, from starter cubes, charcoal chimneys, and even a napkin dipped in olive oil. But for me, the quickest and surest method is a MAPP Gas torch. This is a little different that a propane torch like you might use for sweating copper joints. The key differences are that MAPP burns a little hotter, and the biggie is that the torch will burn when you hold it upside down (as you would when sticking into the bottom of the Big Green Egg).
I recommend a self igniting torch with a locking trigger. That way you can tip the MAPP bottle up on end and rest it against the side of the pit with it lit. This is the one I use and you can pick it up at Amazon or your local home improvement store.
What's your favorite method for lighting the charcoal in your pit? Drop me a note in the comments and let me know.