Okay,your Door and frame colour change for two photographs in Gimp just came to my notice, i have seen your "I would like a gimp expert to set up two gimp files so that I can quickly and easily change the colo......" ,
I am Handy artist with skills including Photo Editing, Illustrator and GIMP.
i can start now and can come up with the draft with in next 24-48 hours for your review,
then you may call for any changes let me have details of your requirements.
You are welcome to visit my portfolio here:
https://www.freelancer.com/u/CustomIDEAS
How many days do we have to complete this ?