As you can see to the wall it's just a pretty simple wallpaper. To tell you I'm just experimenting this cause I really wanna try to make a grunge wall, so here is my little experimenting. hope I got this right.

Thanks to the owner of the brush @ Deviantart:
SG2
Scully7491
And the owner of the stary grunge

thanks for the owner of the texture I used:
Invaynestock_jumbo_Grunge_text