If you look at the pellicle thread, you will see some crazy ones. Yours looks normal. Also the flavors of sours is constantly changing. By tangy do you mean more sour, or more vinegary? Vinegar is BAD, but more sour is the point!
Eric19312, I think it's assuming you take those hoops out. That's what I do, I use hop bags and take all my boil hoops out before the whirlpool. But I'd you aren't doing that, then that calculation must be incorrect
Harvesting the yeast like you did should work fine! But there is a new yeast company that sells a Vermont yeast that is Conan, I'm not sure the name, I'll go find it for you