MyBB Community Forums

I'm looking for a unique theme for my forum.
Besides,i am new here,i don't even know how to properly install it. Can someone be kind and show me some tut or whatever can helps me...
Thanks!

select a theme of your choice from here: http://mods.mybb.com/themes

and install it by following this: http://community.mybb.com/thread-112862.html
NOTE: follow the steps given after the "download" button in the above thread