gistfile1.js

//photo.hbs
/*snip*/
{{#each album in albums}}
	{{#link-to 'albums.album' album}}
		{{album.name}} //this loads properly
	{{/link-to}}
{{/each}}

//routes/albums.js
 model: function(params) {
       var urlid = params.urlid.split('-')[1];
        return this.store.find('album', urlid);
},
serialize: function(model){
	//model.get('name') is undefined here - i assume bec it's not fully loaded
      	return { urlid: model.get('name') + '-' + model.get('id')};
	//this return 'undefined-2' 
	//so it has the proper id 
	//but for some reason the model is missing the proper object/record
	
}
//models/photo.js
var Photo = Em.Model.extend({
  name: Em.attr(),
  url: Em.attr(),
  albums: Em.hasMany("album", {key: 'albums'})
});

Photo.adapter = Ember.FixtureAdapter.create();

Photo.reopenClass({FIXTURES: [
	{
    id: 1,
    name: "wassup",
    url: "/assets/images/PROOF_01.jpg",
    albums:[2,3]
  } //etc.	
]})

// models/album.js
var Album = Em.Model.extend({
  name: Em.attr(),
  photos: Em.hasMany("photo", {key:'photos'})
});
Album.adapter = Ember.FixtureAdapter.create();
Album.reopenClass({FIXTURES: [
		{
			id:1,
			name:"anny",
			photos:[2,3,4,8,10,14]
		 }//etc.
		]})