Gstyle is a new full Gnome theme manager with some really great features which I am sure you will love if you like to customize your Desktop look constantly. [...] Gstyle can show you how a theme (any kind of theme: icons, Emerald, Metacity, etc.) actually looks, not just a preview. You will see what I mean in the screenshots below.
The first 3 XSplash themes (screens) are part of the Fusion-GX-v00 pack and can be downloaded from the same location - download link after the third XSplash.
You already know PackoXsplash HD (we wrote about it a few days ago) which is my favourite Xsplash, but I guess not everybody likes the same things, so here are some other nice Xplash Themes to use with your new Ubuntu Karmic Koala 9.10.
Epidermis theme manager is an open source GTK application for managing, automatically downloading and installing themes of various types, in order to transform the look of your Ubuntu desktop, from the moment you turn it on until the moment you turn it off.