MyBB Newbie Help

Hi !
To edit logo, you need to go to your theme settings
To edit texts & other stuffs of the forum display, edit the templates of your theme, find the words you want to edit
For plugins, use registrations questions (to avoid bots), to avoid leech you can use my ratio system : http://nulledbb.com/Thread-Ratio-System-1-0 with Hide until reply plugin, use Google SEO & Spider Bots (for SEO), use Admin CP Honeypot (to avoid hackers).