Cooking with Cast Iron

How many of you have ever cooked using Cast Iron?  I never have but we are going to give it a try for Madi's Birthday Party!!  We will be cooking some amazing chili (well lets hope it will be amazing) in this bad boy!  Its is a 10 gallon Cast Iron Jambalaya Pot.  We purchased it from Amazon as well as a tripod so we can cook over an open fire!

Now who can give me some good advice for 

cooking with Cast Iron!