11-21-2024, 10:47 PM
Link to the "image Attachments howto" at the top right of this page 
If you want to add a border to the whole image you just have to enlarge the image to the size with border (Image > Canvas size), then add a layer, bucket fill it with the border color, and move it to the bottom (Layer > Stack > Layer to bottom) or drag it down in the Layers list.
If you want to add a border to the whole image you just have to enlarge the image to the size with border (Image > Canvas size), then add a layer, bucket fill it with the border color, and move it to the bottom (Layer > Stack > Layer to bottom) or drag it down in the Layers list.