jQuery.fn.protectImage = function(settings) {
    settings = jQuery.extend({
        image: 'http://outofme.de/wp-content/themes/outofme/style/images/blank.gif',
        zIndex: 2
    }, settings);
    return this.each(function() {
        var position = $(this).offset();
        var height = $(this).height();
        var width = $(this).width();
        $('<img />').attr({
            width: width,
            height: height,
            src: settings.image
        }).css({
            top: position.top,
            left: position.left,
            position: 'absolute',
            zIndex: settings.zIndex
        }).appendTo('#wrapper')
    });
};