You're making me crazy. You've got to stop talking about people not liking you and about the whole posting during school thing. Every time you bring it up, you are drawing more attention to it. If you just leave it alone some people will get over it. Not every one will, but you know what? That's okay. Not everyone has to like you.
Celles had some great advice for you. You need to remember that none of this is real. You could stop posting tomorrow and nothing that anyone said on the board would have the slightest effect on your RL. Keep that in mind and it might help you get some perspective.
And I'm not doing this to be a bitch because I really don't have a dog in this fight. I guess I'm just trying to give you some advice.