GIMP tutorial-Metallic wallpaper with paint stripped off effect in GIMP

Make a blue metallic weave wallpaper background with paint stripped off effect in GIMP.
This GIMP how to tutorial teaches you how to use the weave filter and RGB noise, layer modes like substract, burn and saturation. This is the much requested tutorial for how to make the background of the cool tricks about the GIMP interface tutorial:

Link to the cat brush:
Halloween Vectors Photoshop and GIMP Brushes