Julian Bryson <jules...@gmail.com> writes:
> In short, how can I use GIMP to add blank space to a given photo so that it
> keeps the original data within the confines of a 4x6 (for example) aspect
> ratio?
If the original image is square it is simple:
Image > Canvas Size
Select units 'percent'
Unlink width and height by clicking on the 'chain' to the right
Adjust width to 150%
At Offset, select center.
If it looks okay, press Resize.
HTH,
Johan
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