A club can only be popular if the subject is popular. For example, the Harry Potter spot (on which this totally unrelated soalan is) is on the subject of Harry Potter, which is already popular outside of fanpop.
Do NOT beg people to join. Just wait patiently, subtley tell your friends, make the spot as interesting as anda can, and watch the peminat-peminat come.
1. Discreetly tell people about it (for example picks "Will anda please sertai my spot!!1!" wouldn't fall in this category, pautan to spot and dinding posts maybe would). 2. ikon and banner can make your spot beautiful. :) 3. Add content to your spot .