One of the major new features for OpenOffice 2.4 on Linux is the 3D capabilities for Impress, the presentation component. The new transitions are not part of the default install, but as an extension. If you’re an Impress user, you may be interested in installing it.
The 3D transitions extension is available in the Ubuntu 8.04 repositories. Click this link to install openoffice.org-ogltrans, or run the command below in your terminal: