opp's I think it must have been the thread as I used a metallic thread as for washing it , this is a wall hanging and I don't want to wash it but seeing that it is a wall hanging no one will look at the back... or I hope they don't...Thanks eveyone for your advice I'll make sure that I make a list of the do's and don't of using dark backing and warn and natural...Thank you all for taking the time to help me out ...