hey ewurm, from your pics. your betta isnt a crowntail, but a super delta. Does the fin opens up till 180 degrees? If yes, than its a halfmoon..
I bred bettas before, and sold them to the lfs when the fries have grown up.
The eggs will hatch in a day or 2, then by the 3or 4th day from the mating date, you can remove the dad once you see that the fries are swimming horizontally.
Hatch those brine shrimp eggs, and you can start to feed them the day after they are swimming horizontally.
All the best and good luck..