This is the yaoi triangle:
A lot of yaoi fans are also LGBT people. So, by putting these yaoi triangles in your GAIA siggy (or any other forum for that matter) you can show people that you either support LGBT rights, are LGBT and love yaoi!
If you want to know more, please click here.
The Shounen Ai and Yaoi Guild
A Guild dedicated to discussing Yaoi and Boy Love.