I have almost the same problem. I have myself in the list of contacts on yahoo protocol. I can change my avatar and I see it. But MS Windows clients (YM) cannot see my avatar. Instead they see a black image. I tried with many types of images but same result.
I have almost the same problem. I have myself in the list of contacts on yahoo protocol. I can change my avatar and I see it. But MS Windows clients (YM) cannot see my avatar. Instead they see a black image. I tried with many types of images but same result.