a larger BB community (cruisecritic.com #71) than FlyerTalk (#110) where people frequently have three or four images attached to every post,
Yes, and cruisecritic.com is unbelievably garish. It doesn't fit the voice and rubric of Flyertalk at all, IME.
Alexa rankings (or whatever indice cited) may be an accurate indicator of overall web traffic, but not necessarily of content quality or user relevance. We're not out to win any popularity contests; we're out to build and maintain the very best
Flyertalk possible.