I’m looking to do some color correction on old photos, but the scans include a border made up of the album paper on which the photos are mounted along with some handwritten captions.  The album is about 65 years old and the photos are glued directly onto the album paper.  Also, many of the photos are slightly skewed.  I've attached an example.

How do I limit the enhancements to just the photo without affecting the color of the surrounding album paper?  I’m assuming there’s a masking technique that I can apply in this situation but I’m not sure what it is.

I suspect a similar question has been asked but all of my searches in the forum (and online more generally) have come up empty.

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I am really new at any kind of graphics programs.  I am using gimp 2.10.32.  I open as layers an image with .psd extension.  Gimp converts the Color profile.  The image contains 159 layers.  About midway in the layers is one called text which puts some text on the image.  I would like to eliminate that layer and leave all other layers intact. I have worked at this for a couple of days and haven’t seen how to do it.

I had build a local docker environment running GIMP. However when I try to run a gimp batch command I get the following error:
GIMP-Warning: The batch interpreter 'plug-in-script-fu-eval' is not available. Batch mode disabled.

Any idea what might cause this? It works locally but when I deploy it I get this error.
the command I try to run:

gimp --batch-interpreter plug-in-script-fu-eval -i --verbose -d -f -b 'MY COMMAND'

my current dockerfile:

Hello

I like to create exact pixelarts for my self coded games.
I use 4-8 special choosen colors to build my graphics from to make them resemble a classic old videogame style.
So i sometimes use the indexed mode to check the used palette of my graphic.
For edition my graphics i only use pencil, color-fill and copy/paste selections.
But in the late time i noticed, that often extra colors appear, thar are just slightly different from one of my choosen colors.
How can this happen?

Hi all,

I have a "master" image that will be used as a background and 4 separate images cropped from the same scale (size) image I need to combine these by pasting and aligning them into one image.  Followed by 2 others I need to crop and paste into the main image to show comparisons of the Y scale (blue lines). Every time I copy the cropped images and try pasting them onto the main image the size is changed on the cropped image and no longer correctly aligns with the main image.  This is a task I need to master,  as I need to repeat it hundreds of times.  Any suggestions are welcomed. Two examples are below.

Tnx Bruce
Example of "Main" image:

I tried to get one by going to User CP -> Change Avatar, chose a file from my computer i.e. the name of the file appeared beside the browse button. There is no upload button, so I clicked "Change Avatar". Didn't work however? Where did I go wrong?

I have a very basic question.

in the script-fu console writing

My painting is in the layer "背景(background", I want to copy it and paste it into the layer "layer", how do I do that?

I have a large number of jpg of exactly the same format.

 the are maps.

 the inside areas of each match the inside areas of others, meet  up, coincide

 The thing is to get the borders off and join them into one large map that I can then select different areas and shapes from.

 Is there a way to do this quiickly, easily in gimp, even by batch perhaps?

here's a couple of samples:

map jpgs

I have not found a way to write Colors-Auto-White Balance within Script-fu. Please advise how to do this.