Here is where you can find all the lockrings in the world. Always check back for your requests! If metamorph gives you a bootloop, use zipthemer (especially on Jellybean)
To download a ring, just click on the picture! :)
ROM Related Rings

Google/Superuser Rings

Football (soccer) Rings

Sports Rings

Superhero Rings

Video Game Rings

Miscellaneous Rings

Thats all for now, check back for updates!