Extra field under Author

[mr e]

1) in the admin cp go to User Profile Fields/Add and enter "Fav. Soccer Team" or whatever

2) then after you hit Add go to User Profile Fields/Modify and hover your mouse over the edit button and remember the number at the end

3) go to your Postbit template and find $post[username] and somewhere after that add $post[field#] # is the number from earlier