Reading the manual makes things more complicated. Seems color 1 (second), cannot be used as it is reserved for grabbing tiles & sprites (color 0 is the first).
is used to grab your images to sprites or tiles. Working out on their restrictions.. Scrunch
and scrunch all
is used to auto crop images you grab manually. Remember color 1 not to be used for graphics, it will hang the program.
You can view your sprite/tile bank after you grab with View images
will swap grabbed images to sprites / tiles.
will get grabbed image from sprite/tile bank you made with grabber to edit in this window. Number of bank is to the upper right (Current image=...)
will put the image you see in this editor to the bank number you see upper right (Current image=...).
Move right, Move left
will move the bank number (Current image=...).