I'm compiling a list! On a basic Flickr search, the top three groups are:
- *Second Life Glamour* (Fashion is Art) with 8,101 Members now (depicted above)
- Second Life Residents with 7,667 Members now
- Second Life® - Look Of The Day with 7,191 Members now
However, I don't trust raw Flickr searches, since they're likely to miss groups with poor SEO titles. Also, the last time I looked into this 6-7 years ago, there were several SL-themed groups with members in the five figures. So which groups are larger?
Please post links to groups in Comments of course!