Then....change your password? Fairly logical solution there.
Barker -- to get rid of the white edges, when you go to save for web and go to save it as a gif, next to where the option for the number of colors is there's one that says matte. It's set to white by default, which is what causes the white edges. If you set that to no matte there won't be any white edges, though that way the edges tend to be a bit choppier.