Try this method i hope i will help full
public Texture2D tDynamicTx;
public WWW tLoad;
public string images;
images =”;;
tLoad= new WWW(images);
tDynamicTx= new Texture2D(64, 64);
tLoad.LoadImageIntoTexture(tDynamicTx);
GUI.Label(new Rect40,40, 64, 64), tDynamicTx);
How to import an image using WWW in unity3d
H