If you don't know what a Foley Artist here's a description from Wikipedia.
Foley (named after sound-effects artist Jack Foley) is the reproduction of everyday sound effects that are added to film, video, and other media in post-production to enhance audio quality. These reproduced sounds can be anything from the swishing of clothing and footsteps to squeaky doors and breaking glass.
Now the hardest job in Hollywood has to be the foley artist for "The Bachelor". (Thanks, Comedy Central for this peach)