It usually takes a couple of days, especially over the weekend, you should probably hear from them Monday. They will e-mail the information you need. Congratulations!
Don't forget you'll get a bigger avatar file size, you might want to include some picture of your yorkie. Also, I notice you are against Puppy mills, and I hope you join YAP, Yorkies against Puppy mills.
http://www.yorkietalk.com/forums/group.php?groupid=61 We try to keep each other informed of anything going on with puppy mills.