The package pst-pdf simplifies the use of graphics from PSTricks and other PostScript code in PDF documents. As in building a bibliography with BibTeX, additional external programmes are invoked. In this case they are used to create a PDF file (\PDFcontainer) that will contain all the graphics material. In the final document these contents will be inserted instead of the original PostScript code. The package works with pstricks and requires a recent version of the preview package.