You can pick an avatar (photo),(logo) to show up on the left hand side each time you post a message, first login under your user name and passcode, click on "SEE USER PROFILE" on top of page, then click on "EDIT PROFILE" then pick an avatar from the library or upload one of your own ( photo, image, logo, ect., ect,) when you upload one of your own avatar it must be in a (gif, jpg, jpeg,png format. after you pick your avatar then click on save changes and you are done with picking your avatar.
"so now every time when you post a message your avatar (pic, logo) will now show up on the left hand side after you post a message...."