ember-data.js

DS.RESTAdapter.registerTransform('raw', {
    deserialize: function(serialized) {
        return serialized;
    },
    serialize: function(deserialized) {
        return deserialized;
    }
});

App.Movie = DS.Model.extend({
    embed_url: DS.attr('string'),
    title: DS.attr('string'),
    url: DS.attr('string'),
    duration: DS.attr('number'),
    record_id: DS.attr('number'),
    date_added: DS.attr('date'),
    thumbnail: DS.attr('raw'),

    first_thumb: function() {
        return this.get('thumbnail')[0];
    }.property('thumbnail')
});