This recipe would be great with the addition of halved cherry tomatoes or ripe beefsteak tomatoes, chopped with juices and seeds removed. You can also swap out the cilantro with basil and lime juice withe red wine vinegar and a little dijon mustard.
Salad will not keep with the avocados added in. If you want to have during the week, divide into single (or two) serving containers. Add the avocado and cilantro right before serving.
Find it online: http://shiftycrafty.com/black-bean-corn-avocado-salad/