I don't understand your comment about no images. [email protected] looks like what you want, and I see plenty of image posts there.
If you don't like that community for some reason, you might try resurrecting one of the existing dormant Harry Potter communities:
[email protected]
[email protected]
[email protected]
[email protected]
Or, if you really want to start your own community, then by all means do it. Just know that it's a lot of work to get a new one off the ground and build a critical mass of active users.