External SWF in iPhone

Due to the large size of my FLA file I had to chop it up to few bit-size files and use the external SWF option to dynamically load sections of my app (Adobe rep said that I can't exceed 180Mb in my FLA file..). So it's all working on my pc but when I upload it to the phone the SWF's are not loading.

I'm using this for code:

var myFireLoader:Loader = new Loader();

var urlFire:URLRequest = new URLRequest("External.swf");

myFireLoader.load(urlFire);

addChildAt(myFireLoader, 0);

And included the swf files in the publish dialog. Am I missing something?

Thanks,

Dani