If you want to use a native gnome app, you can try out Roxbird. Its a new but rapidly maturing download manager. http://ubuntuforums.org/showthread.php?t=1460981
I personally use orbit download manager over wine, works flawlessly. ww.orbitdownloader.com/ -- Ubuntu Bangladesh | http://ubuntu-bd.org ubuntu-bd@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bd