convert some_image.jpg \( +clone -channel G -fx R \) +swap -channel R -fx v.G swapped.jpg[/QUOTE]
I'll take that as a sign (with your holy sandal :-) praising you as the Hero of the Day! - even years gone after posting that.
(To complete the example: Choose R, G and B for red, green, blue color channel.)
THANKS A LOT!