ANYONE WHO IS GOOD WITH LIVEJOURNAL please help me D:

I am trying to set a picture as my layout, and I kinda figured it out (ty raven) but my previous theme I got from LJ is covering it up!!!!!!!!!  Help plz
;-;


EDIT: AS YOU CAN SEE <------------ -------------->   YOU CAN SEE THE IMAGE ON THE SIDE BUT STUPID GRAY THING COVERS IT