How to add background image to the window?

Question

here is my progress so far :

from tkinter import *

class DogeWow():
def __init__(self):
window = Tk()
window.title("much interest")

doge = PhotoImage(file="doge-1.png")
x = Label(window, image=doge)
x.grid(row = 0,column = 0)
DogeWow()

Answer 1

from tkinter import *
from tkinter import messagebox  top = Tk()
C = Canvas(top, bg="blue", height=250, width=300) 
filename = PhotoImage(file ="C:\\Users\\location\\imageName.png")
background_label = Label(top, image=filename)
background_label.place(x=0, y=0, relwidth=1, relheight=1) 
C.pack()
top.mainloop()

Answer 2

1)create image with "PhotoImage" and instantiate it.
2)use your instance in "image" option