[GRASSLIST:898] displaying two adjacent raster maps

[wouter buytaert]

Hello,

Having two adjacent aerial photographs imported in grass, it's quite
annoying that I can't display them both, because when displaying a
photograph, al space around it is filled with white, covering the other
photo. Is there a way to make the white transparant, or to cut only the
photo part out of the apparently larger map?
(grass 5.0.2)

Thanks,

Wouter