It dawns on me that not everyone may know what I am talking about when it comes to creating Data Sets. These are files made in a program like Microsoft Excel, exported as a .CSV and imported into Photoshop to provide layer switches based on specific names.
I dont want to scare anyone off but its hard and boring work with lots of hidden pitfalls. Making mistakes results in cryptic errors that offer very little help in fixing the problems. But if you can figure it out, it has a lot of power for making lots of complex cards very quickly.
Here are two links to a Tutorial on Data Sets made by my friend Anthony Gill. You will need to watch them in order or they wont make sence: