Free: Contests & Raffles.
I use the Zatarain's jambalaya mix and add chicken and shrimp and a few extra cups of cooked rice. Sometimes I add andouille. It's pretty good for simple.
I lived down south for a bit and picked up a fever for the cooking. You would be hard pressed to find a recipe without the trilogy-celery, onion and green pepper. All recipes has some quick and dirty ones. http://allrecipes.com/recipes/soups-stews-and-chili/jambalaya/top.aspx