All these guppy pics are making me want to get into them again... I only have a male, three females, and three ~one week fry right now... Oh, the temptation!
Do you leave your females in the main tank to have the babies or do you move them when they're getting close? I always used to leave them in the main tank in a plastic breeder, but now I'm moving them to my 5.5g invert tank with tons of randomly floating java moss, cabomba, and guppy grass. The babies, unsurprisingly, are much happier there.