Kay so i have an iphone 3G version 4.3.3?

okay so i have had this phone for a year in a few days. it was jail broken but then i upgraded it and now i just cant jailbreak it again. anyways. i was just wondering if anyone has this phone do you know how to get ringtones on it besides the basic already come with it iphone ringtones. lol.... i just wasted $1.29 on the used Blood on my hands because it brought me there when i clicked get more.