Joe, Scott, and Willis,
I am going to try each of these. Otherwise, I will be frustrated.
Scott,
Can you post a picture of the split aluminum cans? I am thinking that moisture, humidty, and lack of sunlight could be problematic here in FL. Given that you are in GA and it works for you, then it could work here.
Willis,
Ribbon mylar. How do you apply it, i.e., what density and where (close to or over the fig)? Does each fig get some ribbon? Does it work for the entire season?