I had started agility with Claret when we found out she had an eye problem. That was the end of her *career* altho she lived many more years as a couch potato and queen of all dogdom (well, as far as dogdom at our house!)
susie
Here are some shots of my little (43 pound) Lab doing her agility thing:
She can actually "Sit" and "Stay" - at least long enough for me to lead out to the first or second obstacle!
Flying Dog.
Weave poles! ("Am I doin' O.K., Mom?" "Yes, dear.")