> If such need is common enough, we may provide a special environment,
> much like "againframe", which would provide a frame without title. For
> example:
>
>     * Headline
>       :PROPERTIES:
>       :BEAMER_env: fullframe
>       :END:
>
> What do you think about it?
>
>
>
That would be definitely nice. I think it is quite common that you want to
get rid of everything to have more space for a big drawing
(moreover it breaks the monotony of the layout)

Fabrice