Sadaqatul fitr

Q: Please clarify the following:

1. Is fitrah obligatory on every individual or is it the duty of the head of the household to pay it on Eid-ul-Adha?

2. If the fitrah wasn't paid on time then what is due on the person?

3. How much is fitrah?

Sajda-e-tilaawat

Q: If I have to perform three Sajdah-e-Tilaawat, when I'm performing the sajdahs must I make intention that the first sajdah is for the first of the three sajdah Ayats which I read?