1st thing each users must do is try and log in. If you can't log in, before emailing the admins please check if you are listed in the Members list. If you are not listed in the members list then please re-register.

2nd enter your user CP (Control Panel) make sure you are visible, change your options for new threads, seeing images and so on.

3rd re upload your Avatar.

4th If you are having troubles seeing thread past a few days old you will want to set that in your User CP under options, Display Options, Default thread cutoff and pick "show all threads"