1. a hack is a modification you can add to your ubb
2. you add them by following the hack install directions and usually cutting and pasting code
3. YES
4. use the avatar hack, its rather complicated for newbies
5. not much you cant do in 5.xx
6. not sure
http://infopop.com 7. you can either replace your smilies or add new ones(alot) by doing the smilies cp hack
8. not me.. too busy sorry.