Two slidestyles within one prosper PDF presentation

Dear readers of this list,
I would like to use two slide styles within one prosper PDF presentation. One 
style "plain", just a background colour and fonts defined for title slide and 
slides between parts of the presentation, and the other style "deco" for the 
remaining slides of the presentation with a little bit of graphical 
decoration, font style and background colour.
How can I achieve this aim?

Thanks a lot for helpful hints in advance

Yours sincerely

Tobias Hilbricht



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