If I were.... I would.....

If I were rich....

I would buy a big hause...

If I were you...

makeover with gimp...

look for makeovers tutorials with gimp, and try to describe with steps have been done to archive the second
photo.

cut and paste...

try to do the same with a photo of your choice...(I recommend you to look for a tutorial in youtube)

Using the stamp to clone

Delete the child of the photo