I have a similar problem with the scrollbar in firefox 2 (and latest thunderbird too), when i scroll a grey line (horizontal) stays there even if i move the bar. I don't know why but it doesn't show up in a screenshot, but i can draw it to explain what i mean if needed.
-- Static lines across screen while scrolling https://launchpad.net/bugs/63259 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs