First of thank you for breaking down and finally deciding to try it out. I know exactly how hard it is find good posters that fit within the parameters. When @pifc started we were looking for 3 people up to lvl 50 (it might have been 45 it's been 6 months LOL) I was participating, I was working with another group where I had to find new posters also, talk about feeling overwhelmed.
I have found the best way to find people is to just keep an eye out and jot them down or just visit those you follow and look in the comments to find new people. With this group, never be afraid to ask questions and advice. We have an amazing group. I have commented on both features.