Suggest your friend to accustom her dog to feeling comfortably on the table while being touched and stroked and pressed all over her body and legs and head by other people. A terrier should convey an attitude of confidence and focus, and if the dog is not used to the above things it may make her shy away from judge's hands which will spoil her table stack also.
While on the floor, free natural stack which you can correct a bit, again attitude is very important confidence and focus