[рони]

anzerg,
строки 65 - 69

if( this.options.autoplay ) {
				
					this._startSlideshow();
				
				}

аккуратно заменить на

if (this.options.autoplay) {
    this._startSlideshow();
    var _self = this;
    this.$el.mouseleave(function() {
        if (!_self.options.autoplay) {
            _self.options.autoplay = true;
            _self._startSlideshow();
        }
    });
}