Yeah, or one idea I've heard of - they're kinda expensive, but it's like a glade plug in, and it supposedly has a homeopathic remedy which keeps dogs calm. Ask your vet about it - they recommend it for dogs with EXTREME seperation anxiety, which would probably qualify in your puppy's case, as well.

I'm not a big fan of medicating dogs unless you really have to, I think usually pills have worse side effects than what they're intended to do.

Dunno what you can do behaviorally, it seems that she has herself pretty worked up over thunderstorms, she prolly has had a bad experience with them. Consider yourself lucky tho, Jonna's dog Tex gets MASSIVE shits whenever it storms and he freaks out, spraying it everywhere, hahaha!