Very deep blue roses on a black background.
This is a pretty complex pattern of Celtic knots.
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.