Yep, it's still going on. You can't really enter, just post all the animal pics you want, and if people like them they'll nominate one. You have to get two nominations and then add a link to the current POTM thread.
The above post said it all really.
We do still have the Pet Of The Month competitions, but you can't just choose to enter your pet. Your pet will have to get nominated by other members, to do this just start a thread about your pets and add the pictures you believe could be winners. Hopefully other forum members will agree with you and nominate your pet (twice, you need 2 nominations for a pet to enter).
I've put up Aprils Pet Of The Month a little earlier ... it can be found here: Go and Vote!