29 Nov, 2014
Background
Blurred shades of gray square cells
Background with shades of gray dots
24 Nov, 2014
Background with small blocks of reddish-brown tint
Background with small blocks of brown shade
Rough dark surface
Diagonal wavy red color stripes
20 Nov, 2014
Metal hexagons (honeycomb)
The thin diagonal lines on a dark background
Thin orange diagonal lines
Small dots on a blue background