Teddy bears

...make me happy.

New buds on trees

make me happy.

Rubber ducks

...make me happy.

Maddie on the Seine

...makes me happy.

Maddie in a dress

...makes me happy.

Pusheen The Cat

http://pusheen.com/
...makes me happy.

Stuff On My Rabbit

http://stuffonmyrabbit.net/
...makes me happy.

The Daily Bunny

http://dailybunny.org/
...makes me happy.

Danny

...makes me happy.

Cherry

...makes me happy.

Evil-looking bunsy

...makes me happy.

Completed games

...make me happy.

Bunny cottontail

...makes me happy.