How to make a flag?

How can I make a banner with a stick?

Stages I know ... but I have some questions:

1.Am allowed the rostrum I or II or even 0 with huge flags (6m / 7,5 m)?

2.Unde can find a good fabric store?

3.Ce kind of paint should I use?

4.Care is the maximum size allowed to stick? (On Ghencea not away)