I would like to be able to run some functionality with a module that I am building whenever a customer registers an account, but I can\'t seem to f
module
customer registers
You can use the customer_register_success event. It is triggered after the customer is succesfully created. Here is the link of event cheat sheets. Hope it also helps you.
http://www.nicksays.co.uk/magento-events-cheat-sheet-1-7/