You can find the debt snowball tool used to help organize debts in Baby Step 2 in financialpeace.com or at ramseyplus.com/track.
The Debt Snowball automatically lists your debts in order by smallest to largest principle amount with any extra payments going to the smallest debt first. Dave Ramsey teaches that paying off the smallest debt first and rolling the money into your next debt builds momentum that helps carry people through paying off all of their debts. It is not possible to rearrange the order of the debts.
Here is a great article that explains how the Debt Snowball works and why it is important to pay them off in that order.