crock-pot chicken taco chili

Most delicious crock-pot chili ever! And only 4 WW points per serving!
Ingredients
1 onion, chopped
1 16-oz can black beans
1 16-oz can kidney beans
1 8-oz can tomato sauce (used a 16 oz can)
10 oz package frozen corn kernels (used 2 small cans of corn kernels)
2 14.5-oz cans diced tomatoes w/chilies (used a 28 oz can of diced tomatoes)
1 packet taco seasoning
1 tbsp cumin
1 tbsp chili powder (used a bit more as I didn't have any chilies in my tomatoes)
24 0z. (3) boneless skinless chicken breasts
chili peppers, chopped (optional)
chopped fresh cilantro
Source Link: http://redsie05.blogspot.com/2010/10/ww-crock-pot-chicken-taco-chili.html