Furthermore, OpenOffice Draw can open JPG files and export them as PDF files natively. Using OpenOffice Draw is easier than inserting the image into a document and using Writer to create a PDF file.

When you create a PDF from an Impress file, you have the option of enabling transition effects. Practically speaking, this option turns the PDF into a presentation that can run without OpenOffice.org ...

There, if you don't want the PDF output in the same directory as the original OpenOffice.org file, you can set the output directory. You can also set the directory for the temporary files created ...