You need to make sure that your X installation has the "Composite" extension enabled.In this tutorial we have already discussed how to enable compiz fusion in Ubuntu 9.10
Install awn in Ubuntu 9.10
Open the "Software Sources" configuration dialog, located in System ? Administration ? Software Sources.
Click on the "Updates" tab and enable the "Recommended Updates" for your distribution. For example, if you're running Karmic (9.10), then you would enable "Recommended Updates (karmic-updates)".
Click on the "Other Software" tab.Click on the "Add" button
In the dialog box that opens up, enter "ppa:awn-testing/ppa" (without the quotes) and click on Add Source
Once added you should see similar to the following screen here click on Close the Software Sources dialog.
You will be prompted to reload your software sources. Select "Reload".
Now you can install awn packages using terminal
sudo apt-get install avant-window-navigator-trunk awn-settings-trunk
Open the "Synaptic Package Manager", located in System ? Administration ? Synaptic Package Manager search above two packages and mark for installation
You can now start AWN from Applications->Accessories->Avant Window Navigator
Once it opens you should see similar to the following screen
You can open AWN settings from System--->Preferences--->AWN Settings
AWN Preferences screen
AWN Task Manager screen
AWN Applets screen
AWN Themes screen
AWN Advanced screen
AWN in Action
You can download AWN Themes from here
You can download AWN plugins from here
You can download AWN applets from here