1) You may only reply to topics made by Admins or Moderators. (The permission settings are already set up that way, so don't even bother trying.)
2) You may add things to the FAQ by replying in the "What should be added to the FAQ?" topic which can be found here. If we think it is worthy enough to be in the FAQ, we will add it as a topic. HOWEVER, if you do, please make as detailed an answer as possible. If you are asking the question, and don't know the answer, please use the Help Forum located here.
3) When replying to one of the topics, it is preferred that you add constructive critisism on it. (i.e. No "This is real good" posts. Remember rule 10. We already know it's good and helpful, that's why we added it.)