That's pretty nice! I don't know which one for you to choose since I don't know what you like or not. Corydoras are bred simararily so I don't think it would matter which one you choose. I would personally choose the Adophi since the snow white might look like albino cories to people. As for breeding, feed them lots of food to fatten them up and put in water a few degrees cooler than normal during a water change. This will trigger them to breed. Remember that corydoras need timne to sexually mature so if they are young, it might take some time for them to mature. Also remember that corydoras will eat their own eggs and if you have fry in with other fish, they might get eaten. I advise you to watch Irene's video about raising corydora's fry as it is pretty helpful. Other than that, good luck!