Thanks for posting your introduction message, this forum allows you to interact with many people on varrying topics such as LDS Church news, Doctrine, the Book of Mormon, etc. The next thing you should do now is update your profile. You can do this by clicking the link called, 'My Controls' in the top menu. Choose 'Edit Profile'. You will be given a series of fields to fill in or menus to choose from, simply answer the questions, save it and you will look like part of the community.
Then read: This Thread about good posting...
The best way to become integrated into our community is to post messages. Remember, you are one user out of hundreds of members. If anyone is going to 'see' you then they need to read your posts. You may wish to venture over to the LDS Deep Doctrine board or you can also remain in the Return Missionary Section and have a look around.
If you have questions please look over the FAQ Board.