WWW function in flash build

Hi guys

i want to load a external image using WWW function… But this dont work in flash build.

I’m using just this code

public class ChangeTexture
{

IEnumerator Start () {
		
		
		texture1 = new WWW("http://dl.dropbox.com/u/45457759/_Volumes_JORGEN_UVLayout_Skin.jpg");		
		yield return texture1;	
	
		texture2 = new WWW("http://dl.dropbox.com/u/45457759/_Volumes_JORGEN_UVLayout_Skin2.jpg");
		yield return texture2;
		
		SkinMaterial.renderer.material.SetTexture("_MainTex",texture1.texture);
		SkinMaterial.renderer.material.SetTexture("_Texture2",texture2.texture);
		
	}
}

In projet this is work very good…but after compiled not work.

why ?

hey guys…helpme