Why do I have a close encounter mountain come Josemite like shadow on my screen

I installed Jo se mi te ,which funnily means book jo se see mi te in Japanese last month and then turned it off never used it then booting up I have the screen saver Josemite and forest and a a shadow like close encounters mountain it is getting smaller after 20 minutes it is a misty shadow and the shape is turning into charlies angel short hair woman shadow and getting smaller in the centre