Reception Help

I need help i a, getting married june 6th,2003 in a chapel by our selves with 2 friends being there .However the following day june 7th i want to do the reception in my mil back yard under a tent .No w my question is this is also my fiancee bday and i need to know how do we word the invations since we will be married already the day before and our reception will actually be his bday .also what do we do for favors .PLease any advice email me at noreen924@yahoo.com please