I've decided to forget the stocking thing (too hard for them to get the treats & toys out, I put too much in them), and I'm going to go with gift bags! I think this will be alot easier for them to get their big ol' heads into!
Here is one we got for our neice & newphew's dogs:

And I have to show you this cute bag of toys they had at Wal-Mart! There are probably 5-7 toys in there, so cute I had to get it (plus it was only $10!)!

But of course there are tons of treats in their gift bag too! (See gift bags hold sooo much more toys & treats!