Create a mask and use The Wall as content? Mmm, here is how you may have an interesting interaction with The Wall. All the characteristics you have in a traditional wall... masked.
Snippet code Html
var images = [
"url1",
"url2",
"url3",
...
"url9"
];
// Define The Wall
var wall = new Wall({
"target":"wall",
"draggable":true,
"autoposition":true,
"slideshow": true,
"handle":"overlay",
"inertia":true,
"width":600,
"height":600,
"rangex":[0,10],
"rangey":[0,1],
callOnUpdate: function(items){
items.each(function(e, i){
e.node.setStyle("background", "url("+images[e.y]+") no-repeat center center");
})
}
});