How do I get an icon to show under my username on the left side and how do I add the tag line and the end of each reply? Thanks

Once you're logged in, go to your profile, and there, you can add a "sig line" to the end of your posts. The icon, or avatar, is only available to team members, though. The price for a team membership is $20 for Bronze, $60 for Gold, and $100 for a Platinum membership. Click on "Membership Options" at the upper right of the screen, and you will find what is included with each level of membership.

Thanks!