GIMP Scripts
GIMP has always been able to make the image canvas size equal to the largest width of all of the layers. I needed for GIMP to resize the canvas to the selection size or to the current layer size.
Now I use this pygimp canvas script all of the time. It is especially helpful in the process of enhancing photographs, especially if you would like to save xcf with the original and all of your layers in tact.
GIMP has always been able to make the image canvas size equal to the largest width of all of the layers. I needed for GIMP to resize the canvas to the selection size or to the current layer size.
This script installs to <Image>/Image/Canvas to Selection and <Image>/Image/Canvas to Layer.