Help changing, and removing things in my web

How do i change the template, color.
How do i integrate SMF (forum or phpbb with this)
Add arcade to it.
Change about us
Remove the limit of max password. I cant even write all my pass :S
Make that when register send activation code. So they can be activated
Make that only friends can see my pictures,vids, music.
Make galleries for photos (Example an album "Beach" (there i upload only the one that i tooked on the beach, then album "Pool" etc...
Remove the ads when uploading a video

Thanks!