When looking through the 6 "Australian Shepherd" images at Acclaim Images.com this Two Dogs Begging was a favorite.
All of their pictures are hand picked, availiable in a number of formats, and you can even get custom prints and posters.

Description:
Two Dogs Begging
Companion dogs begging their owner for a treat.

Some related terms for more images:
pet,  k9,  mammals,  animals,  dogs,  companion,  canine,  puppy,  australian shepherd,  aussie,  beagle,  pets,  sharon day,  canines,