THAT awesome gif, is from the EXCELLENT Hentai movie:
Mother/Daughter Bowl with Extra Tits & Milk -or- Haha musume donburi oppai tokumori bonyuu shiru dakude
There are tons of places, you can either stream it, or DL it for even higher definition. It's my personal favorite hentai of all-time as well. Hopefully they make a 2nd episode to it.
The system have promoted you internally. You can now add a simple signature. It will take a while for you to rank up to be able to customize further such as adding a user banner, adding a signature images, customize font and so on.