momma already did a few times
how about you give somethign aweay for a 3 month mebership retention. a dvd, for being a "prized member" or some shit...
These are pearls im givin ya here... wich im assuming you have top notch content already, so it would only be a smidgen of effort on thier part to retain the three months....how about a bigger prize every 3 months....or something along those lines.....
Perals I tell ya