Board Thread:Support Requests - Designing Your Wiki/@comment-10409777-20130701020631/@comment-1330470-20130701021411

I'm not sure what you mean by "profile". You can edit the word that displays in the tab on your userpage (default is "Profile") by editing Mediawiki:Profile on your wiki.

To change the background use Special:ThemeDesigner on your wiki. See Help:ThemeDesigner.