http://www.catster.com/contests_fun/catspride/ -If you become a Cat’s Pride Group member on Catster, you will receive a coupon good towards one free package of Cat’s Pride, up to a $7.00 value.

http://www.dogster.com/contests_fun/febreze/petpalpack/ -for people who have adopted pets
Here is the Catster link: http://www.catster.com/contests_fun/febreze/petpalpack -if you don’t have an account register and make a profile for your pet and make sure you upload a picture. Then go back to the link in this post to get to the form

http://www.dogster.com/contests/febreze -you have to be a dogster member to get it, membership is free
There is one on catster as well, but it’s probably one per person across both sites: http://www.catster.com/contests/febreze