As I am newbie and I was trying to customize my profile and avatar but I guess there are some technical steps involved in it. I realized what if there was any guidelines article for newbies to understand the usage of this forum keeping in view the rules and regulations and could solve easily the technical issues that they face. It could be any member of this forum or the admin who could try to do this job. This will really help us and all the new members to engage themselves in serious forum discussions.
Profile options are disabled for new members on this particular forum, as part of our battle plan against spammers. After you have engaged yourself in serious forum discussions enough, you will be granted more options to customize your experience.
General guides on different features of SMF are available at our wiki. (https://wiki.simplemachines.org/smf/Main_Page)