Perspective Clone Tool will allow you to clone part of an image into the foreground or background. It does this by scaling the area at the same time that you are cloning it.
Take a photograph or website snapshot look like a piece of paper that is laying down.
More Rare things to do with Paths.
Text Along Path
Selection to Path
GIMP 2.8 UPDATE:
For text along path, right-click on the text.