Gimp

Red tiles texture

1. Create image 1000x1000
2. In the “Background” layer do:
   1. Filter -> Render -> Clouds -> Solid Noise
   2. Create noise: Filters -> Noise -> RGB Noise
   3. Blur it: Filters -> Blur -> Motion Blur
   4. Then do: Colors -> Colorize... -> Hue = 1
3. Create new layer “Tiles”
   1. Fill “Tiles” layer with “#AA2222” color
   2. Then Filter -> Distort -> Mosaic
   3. Change opacity to 75
4. Done! Source .xcf file