It's easy to do, too. Follow the link she shared, and if you're logged in to your Humble Bundle account, simply click the "select" button under the icon. Boom, you're all set to go!
And yes, I've already done it. Why haven't you?
"All the miseries and evils which men suffer from vice, crime, ambition, injustice, oppression, slavery, and war, proceed from their despising or neglecting the precepts contained in the Bible." -- Noah Webster
My blog: Writing from Idaho