Free Add-ons for OpenOffice.org

OpenOffice.org has many extensible components that makes it an excellent office suite solution for daily work. Below are some free as in money and free from restrictive licensing:

http://extensions.services.openoffice.org/project/oxygenoffice-english-templates
Free Templates

Online royalty-free cliparts.

The Draw module of OpenOffice.org makes it possible to make technical
drawings. 

eVoice is an easy-to-use extension to embed voice comments in your slides. It provides the capabilities of recording and adding audio commentaries to your slide shows.

 The Sun Presentation Minimizer is used to reduce the file size of the current presentation. Images will be compressed, and data that is no longer needed will be removed.

Create with the Sun Report Builder stylish, smart-looking database reports. The flexible report editor can define group and page headers as well as group and page footers and even calculation fields are available to accomplish complex database reports.

Create with Photo Album, using just four clicks, a slideshow from a folder of pictures with random fades automatically applied between slides, and the slideshow set to loop continuously.

This extension provide an easy way to crop images in Draw or Impress. Have a look at http://www.alicvb.com for more details.