Very deep blue roses on a black background.
This is a pretty complex pattern of Celtic knots.
Black marble.
I'm not sure, this is either a night sky or just a nice dark decorative pattern.
Another that could either be stone of some kind or just a medium purple background.
Jack Frost must have made this one ;) Beautiful patterns of ice crystals.
Dark, slightly crumpled paper.
Could be a chain linked fence?
This one's quite nice if you want a dark background that text is still readable on.
Sandy colored marble.
Dark green marble.
Another medium green stone.
Black and white marble texture.
Egyptian hieroglyphs carved into grey stone.
Grey bricks.
Grey tiles.