cover (left)

uncover (down)

cover (left)

$('#s1').cycle({
    fx:      'cover',
    direction:  'left', // one of up|down|left|right  default=left
    delay:   -2000
});

uncover (down)

$('#s2').cycle({
    fx:      'uncover',
    direction:  'down', // one of up|down|left|right  default=left
});