Old Woman...Or Young Girl?

HINT: the old woman's nose is the young girl's nose and chin

Man Playing Horn... Or Woman Sillhouette?

Woman In Vanity... Or Skull?

HINT: move farther a bit from the screen and blink to see the skull or the woman (looking at the mirror)

Two Faces... Or One?

A Rabbit.... Or A Duck?

HINT: the duck is looking left, the rabbit is looking right

A Face Of A Native American... Or An Eskimo?

Is The Book Looking Towards You... Or Away From You?