Good to see someone else posting FR's dude. Don't worry too much about opener, it's just something to open the set with and no opener is really lame. What matters a great deal more is what you're actually conveying when you open. Most of this was fluff talk though dude. If you really want to move things on though, cut the fluff and do something to hook her. Use C+F, neg her, tease her or just tell a story, so long as your conveying your personality to her. Once she's hooked and you'll know she's hooked when she's laughing at even the dumbest things you say, THEN you can start vibing with her and doing the fluff talk. Infact, if she's hooked and you're NOT vibing with her, she'll probably become disinterested. And overall, just work on having more fun with the girls in the sets and work on conveying your personality to her.
I'm still practicing some this stuff myself, but trust me the guy who I learned this all from knows what he's talking about and as I go more and more in field I start realizing that what he's saying works. Most people will tell you words are everything, but come on, I've gone up to a group of girls with "Ruff ruff!" before and gotten interest. Heck, only reason I didn't stay in that set is because I never vibed and thus became the dancing monkey.