Frame around graphic

[Wolfgang Engelmann]

Am 23.11.21 um 10:08 schrieb Wolfgang Engelmann:
> I would like to frame a graphic in a float with a black border, because 
> the sky in the picture is quite bright and is not well distinguishable 
> from the surrounding text. I could not find a description for it in the 
> Embedded Objects help file. Is this possible and if, how to do it (boxes?)
> Wolfgang

I tried it with a framed box, but it is quite difficult and time 
consuming to find the right settings for the text width and text height. 
Is there a better way for doing it (something like 'fit the graphic')?

Wolfgang