I just got a handful of 10-LED strings for $1.50 a pop at teh grocery store. (No, the 2 AA batteries were not included.) They're visible from lots of directions, they're not totally distracting (when more than one car hits the curb I knwo I've gone too far... but that took the pig-snout helmet cover :-) ) ... if I could only juice 'em from the generator!
Now for this snowy rain to clear out...