Image 1. Photo is of you wearing your Black Belt standing / sitting next to your instructor or another practitioner who is a Brazilian Jiu Jitsu Black Belt with a credible Brazilian Jiu Jitsu Lineage.
Image 2. A Photo of you holding a piece of paper with your Reddit Name on.
The images links that you send can be hosted anywhere you prefer, if you need a recommendation then you can use the minus service http://minus.com/ or http://imgur.com. The main point is that we can access them to view the photos (for example with Facebook your privacy settings may restrict access to photo albums).
Once you have submitted the photos or if you have difficultly or run into any issues, please contact the mods.