Mike,
  It looks like what you are trying to do is merge three photos with different exposures into a single photo with greater dynamic range.  That's usually described as High Dynamic Range, or HDR, exposure.
There are tutorials online for how to do that; a search for ["High Dynamic Range" GIMP] should bring good results.

On 2022-09-22 08:28 AM, Michael via PLUG-discuss wrote:
> what I mean is doing an interior shot (2 or 3  exposures) and making the
> window not blown out.
> 
> On Thu, Sep 22, 2022 at 11:21 AM Michael <bmike1@gmail.com> wrote:
> 
>> How do I do real estate photos with gimp?--
>> :-)~MIKE~(-:
>>
> 
> 
> 
> 
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