just do a google image search for nirvana, find one you like, and go to the avatar exchange thread, and ask someone to resize it and do whatever else is necessary to make it an avatar
My League of Legends stream
The morning will come
In the press of every kiss
With your head upon my chest

Where I will annoy you
With every waking breath
Until you, decide to wake up
in google images theres an option where you can search for small pics