The first step to doing the washout effect on an image in GIMP is to place the image into GIMP. There are a few ways to place the image into GIMP. This is the original image that the wash-out effect ...
In the Gimp, you should be able to simply use the elliptical selection tool (E) to select the area you want, and then either copy and paste into another image, or Select->Invert (Ctrl+I) and then Edit ...
G NU Image Manipulation Program (GIMP) is the longtime open-source photo editing alternative to Adobe’s category-leading ...