3) Signatures are created by you. Sometimes factions have design templates you can use if you are a member of their faction. Check the Art Department. There are also those who are willing to create signatures for others (including me) for a fair price.
Damnit, people, what have I told you about whoring yourselves out in the Problem Centre? We have the street corner that is the Classifieds for a reason! Do it again and I'll have to smack your nose with a rolled up forum ban.