At your peak, how many sisters did you have? And just for curiousity's sake, how long since your founding?
I won't kid you, 5 girls is not a lot. It is extremely difficult to make any organization function when people have to take on several offices. That's probably why a lot of your girls don't have the highest morale... they're stressed.
My suggestion would be to work your butt off at Formal Recruitment (if you participate), and then go crazy with COB... inviting girls out to all your events, even ones that aren't deemed "Rush Events". We invite girls to our meetings so they can see how we function and how much work we actually get done. If your meetings aren't closed, maybe that would be another good rush tool.
Another thing, the nice thing about not having deemed "Rush Events" but just inviting girls to everything you do saves you money on those darn expensive rush events.
