okay so i want to add this image to the VERY TOP of my blog so it is basically a banner and doesnt move or anything .

image : http://i262.photobucket.com/albums/ii92/craziicutiee99/tumble.png?t=1298500985

what html code would i use to i can acheieve this ?
my tumblr is www.aubreyxoh.tumblr.com

if it helps i came across an example of someone who already has what i am trying to get to , that tumblr is www.partybitchz.tumblr.com ( love her blog i wish i could be as talented in html coding as she obviously is ) but please i really hope someone can help me

and as far as my theme i am using bleeding love by cummy ( google it (: ) THANK YOU