I want to change the formats of my header and footer from this

http://img153.imageshack.us/img153/4972/untitled28lk.gif (http://imageshack.us)

to this

http://img134.imageshack.us/img134/6083/untitled14qu.gif (http://imageshack.us)

so anyone tell me how to do this

what blog are you using...