Policy file error while loading images from Facebook

I am making a game leaderboard on facebook. I'm not using f-connect but working inside the canvas. When I try to load the images from facebook it gives me the following error:

SecurityError: Error #2122: Security sandbox violation: Loader.content: http://test cannot accesshttp://profile.ak.fbcdn.net/v22941/2...10588_2173.jpg
A policy file is required, but the checkPolicyFile flag was not set when this media was loaded.

Here is my loader code

public var preLoader:Loader;
preLoader=new Loader();
**update**
Security.loadPolicyFile('http://api.facebook.com/crossdomain.xml');
Security.allowDomain('http://profile.ak.fbcdn.net');
Security.allowInsecureDomain('http://profile.ak.fbcdn.net');
**update-end**

public function imageContainer(Imagewidth:Number,Imageheight:Numbe r,url:String,path:String) {
preLoader=new Loader();

Security.loadPolicyFile("http://api.facebook.com/crossdomain.xml");
var context:LoaderContext = new LoaderContext();
context.checkPolicyFile = true;
context.applicationDomain = ApplicationDomain.currentDomain;

preLoader.load(new URLRequest(path),context);

Any Ideas? I am importing the right class though.

UPDATE: I am loading the images from a different domain say , calling func http://fahim.com images are from http://profile.ak.fbcdn.net/v22941/2...10588_2173.jpg
something ( I have made sure the pictures are static and do not require a facebook login or anything , they are just user public profile pictures)