Lost Aussie in Los Angeles, CA area

https://www.facebook.com/coopermissingaussie/info

Cooper is a missing male Australian Shepherd in the North Hollywood/Sherman Oaks/Encino area of Los Angeles as of 9/29/12. DO NOT CHASE. CALL 818-486-6895. Please help! One of his owners has cancer, and misses him very much.
Description
Cooper slipped his leash on 9/29/12 when he was going to the groomer with his owner in Sherman Oaks, CA. There have been unconfirmed sightings that sound a lot like him as recently as 11/6, so we are very much hopeful!

One of his owners has cancer, and misses him very, very much.

**IF YOU SEE HIM, DO NOT CHASE! CALL (818) 486-6895***

***$1,000 REWARD!****

He is:
*Male
*Australian Shepherd
*55 lbs
*Reddish brown and white
*Has no tail
*Neutered
*Not wearing collar
*Microchipped

HOW TO HELP:
*Change your FB profile pic to this one.
*Share his flyer on FB
*Post his flyers around North Hollywood and surrounding communities.
*Join a search/flyer mission
*Tag your car: http://www.missingpetpartnership.org/recovery-tagging.php
*Give his flyer to mail carriers, delivery personnel, meter readers, etc
*Email all of your contacts
*ANYTHING YOU CAN THINK OF!

I'm one of the volunteers helping the pet detective (yep that's right!) with his case. It's an interesting process.

If anyone here is on any Aussie boards, could you please post there, too? Thanks so much!