Having seen many dogs who suffered through this procedure performed by lay persons without anesthesia or sterile technique, we would much rather they be done by real surgeons. An added benefit of ear crops is that we almost never see chronic, painful ear infections in dogs with cropped ears, because the erect ear allows good air flow into the canals.
Click on a photo to enlarge. 
Ear Crop Photos
Here are a few of Dr. Cottrell's ear crops. We're still working on adding photos, but this is a sample of her work.
Our position on ear crops is this: as long as breed standards allow ear crops, we will continue to do them.