Right-click traps are really lame because they inconvenience good people, and they do not stop bad people.
Think of this: do you really give a damn if someone grabs one of your images and uses it as a background ? In which way does this damage you ?
And sites that really have content somewhat seem to ignore the issue. Right-click trapping appears to be an obsession of budding graphic designers and photographers fresh out the egg, terrified that someone will steal their images. I understand that that can be a concern, but right-click trap is not the solution.